Anonymous 4 was an American female a cappella quartet, founded in 1986 and based in New York City. Their main performance genre was medieval music, although later they also premiered works by recent c
1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f9a619441470f5447d80761ad1c7bd60f7eb4bc750c1fac761566827fccc040. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/322afbff-9352-4781-b264-2d992b93463a.json and https://artists.proofprofile.net/proofs/artist/322afbff-9352-4781-b264-2d992b93463a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
On Yoolis Night - Medieval carols & motets
Love's Illusion - Music from the Montpellier Codex (13th-Century)
The Lily & The Lamb - chant & polyphony from medieval England
Miracles of Sant'iago - Medieval Chant & Polyphony for St. James from the Codex Calixtinus
Hildegard von Bingen: 11,000 Virgins: Chants for the Feast of St. Ursula
Symphonia virginum "O dulcissime amator"
1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x604917467191d7dd543533e4985c1b38e6286f5262bc8842427d8df13355c36a. Chain 2 (Bitcoin): anchored in block 958194 (2026-07-15T20:32:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1aa7c95eb36b74dbf0a82954cdba89a267aef892dcf3b0acc628e41072663044. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8f89f502e74e7fd46a542d6e7e19f86c7056f0538f056a95befe91a5374afc3c. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05cedb90c4006f4fc92d8faa2c5ba014b4534c339bba2da37123ff0b3e296221. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb68cf29840c3f2b7e0940929730474a8b9517947319931e8acae96956532b87c. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620008.
Psalm 92. Dominus regnavit/Studium divinitatis
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe75c7001a429592383732580651f46f07499f4f51503cb5d79e5f23d64c182ef. Chain 2 (Bitcoin): anchored in block 956482 (2026-07-03T10:33:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf982f44a0eeefbaa67393d50eaf09920ff8b6df974037bff4c6878e61a7d576. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x81635c2702c10d955e4b8e4c438bb5d83a47c7f39e0ac91b16cfe7dfdef36ecf. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd84e3ec30a97dc499850ab47e3411945886d7926b09e06453590512804eb0628. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80a8d23b210a9c7c6ca2395c567d5f6bb841efcc87bb241c0cf5be8d0bb76b87. Chain 2 (Bitcoin): anchored in block 958422 (2026-07-17T13:35:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x750e604e1437e5612ec7457b8dee1be4bcc576e0d90d4bbdfe4d6d0315d3e345. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x809f0de4ae56d309d7b7d330e9f306b74234313b0e87a77e32559d4c8798a5dc. Chain 2 (Bitcoin): anchored in block 958376 (2026-07-17T06:41:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620015.
Canticle "Magnificat anima mea - O rubor sanguinis"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe50299958bc1413d5a74dbe5c11121e3f6b0bc1e0a8c98d3576723a5154e57b4. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a8f8d9e0a6cae380307625b3ad0c8350ed2c522b598bd198aaf12fdbaa9cff8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xce04c9d4d59243cb0f47cb71498ab43e808a2a37b3354636fa9c9ae4e1243d14. Chain 2 (Bitcoin): anchored in block 958568 (2026-07-18T15:23:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19620018.
A Lammas Ladymass - 13th and 14th Century English Chant and Polyphony
Legends of St. Nicholas - Medieval Chant & Polyphony
The Second Circle - Love Songs of Francesco Landini
Darkness Into Light: Tavener: The Bridegroom & Other Works
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cf1ea9b5b4e4dc2b84c78bafe37e4d52c001b8dd2cfe9a906104f50498dd07e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10227406.
Wolcum Yule - Celtic and British Songs & Carols
The Origin of Fire: Music and Visions of Hildegard von Bingen
Vision 2 "Wisdom and her sisters": Prima autem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa9eda06f5c429120ad9a7508276eb89032aa6f03737f4f2abfd67e4eddcae16. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332708.
Vision 3 "The fiery spirit": Iterumque vocem
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f32ecde4e59bed504729c18e42ff16708a6325f171f9c6f2595a6def9afb855. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332710.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a64505be05c7454269d47dd21655171c9cf7c1ab61d758f9c2a8e3ce07fc7d2. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332711.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf8fdc7c06bebbb3bf735cbc5c54b97f2fcbce15bbf6ed84742b92848f0acfcc5. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332713.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdd63aaf71a9ad49223234441b9229126e364b1704f57b15cb67dc083ec226eea. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332714.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a2ee4548440fa602e8abc7772cde96bc96eefa7fc6e2505fc237204fa1d8554. Chain 2 (Bitcoin): anchored in block 957888 (2026-07-13T17:43:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332716.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa634c63ac490b13fa199bbd5f6602e7cc796902ed0315e789a6bbdd5e38506a. Chain 2 (Bitcoin): anchored in block 958111 (2026-07-15T06:58:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332717.
American Angels: Songs of Hope, Redemption, & Glory
The Origin of Fire - Music and Visions of Hildegard von Bingen
Awake, and join the cheerful choir: Awake, and join the cheerful choir
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x940999777eb9c2ca20632ab3da84647589e1eecda310922f61bb43b88685337d. Chain 2 (Bitcoin): anchored in block 960348 (2026-07-31T05:17:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332501.
Good people all (vocal solo MG): Good people all (vocal solo MG)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x52f163eca10a5dae0f0e7a913de3ca0b7526ff18f69c8930af054543f07519c8. Chain 2 (Bitcoin): anchored in block 960485 (2026-08-01T00:10:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332502.
The seven rejoices of Mary: The seven rejoices of Mary
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc646a694fb8b38849ad4409c134f2d5b46039967ae62f7b81684d71d1db036c2. Chain 2 (Bitcoin): anchored in block 960384 (2026-07-31T09:54:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332503.
The Lamb (a cappella): The Lamb (a cappella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x95cded7e6e2fa0138d1de01905777e1194af52ba07ec4e8f60759450e6ed94b6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332504.
A Scots Lilt (instrumental): A Scots Lilt (instrumental)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x38a840c897deb379c4c38334b8ef6a407774f66345b2adb76f5f071925262b81. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332505.
Balulalow (vocal solo JMR): Balulalow (vocal solo JMR)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbe0f8422b69e45218d7843e2c103919c85ed63eac92e9823b334f526ddef630. Chain 2 (Bitcoin): anchored in block 960291 (2026-07-30T18:23:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332506.
Balulalow (a cappella): Balulalow (a cappella)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x285fba95a62bc884733adf584efa4a9ffe384137cab05d1ed1fc93b23dd50422. Chain 2 (Bitcoin): anchored in block 960429 (2026-07-31T16:07:24Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332507.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4813726cec7e1b272cf127d9cc1bd260e1ac63ac7ed7e406bfbaf9e8aba79405. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332508.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa18608261bd481bcab3e9193d408615d591a42b13a097bd2f5d28fece68dcd26. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332509.
Air: Lá fuar geimhreadh (On a cold winter’s day): Air: Lá fuar geimhreadh (On a cold winter’s day)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd66dd37247d13693cc027daf2a07703d6dc95121f632a001db1abc986875a957. Chain 2 (Bitcoin): anchored in block 960164 (2026-07-29T23:23:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4680fdce20532050cda061585a05f588efac83b2c46f430505acadd21c84a69d. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332515.
Can wassel (Wassail Song): Can wassel (Wassail Song)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b0c77cb697bfae538d996af5e40c86354b3d6508e43a4152c88781928306c7d. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332518.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4723ba00830877e7cedc50f81e1d83fa492b8b47b1e9636db115dc0550965d33. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10332519.
American Angels - Songs of Hope, Redemption, & Glory
American Angels: Songs of Hope, Redemption & Glory
Gloryland: Folk Songs, Spirituals, Gospel hymns of Hope & Glory
Gloryland: Folk Songs, Spirituals, Gospel Hymns of Hope & Glory
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe4619ad98762b01ad8c975d58310dd9ca9497153048ec3567d8c0f76b40b6b29. Chain 2 (Bitcoin): anchored in block 960209 (2026-07-30T05:15:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540001.
An Address for All - Like Noah's Weary Dove
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x040e862b5f7ea57bc2376626357dfa2a0271ef7aca8e043c8b6691fb74a9b608. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50f962670bd0ddd0d2373b6caeac0399a8a3f5cec90b96948d4059c27c78f225. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa85e326fdf41dc889a9c597e5c71d328f91f77a2f2bd38085ca72aaa9ced1888. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6bf7cca95b6a78a32e94b6ef93e3e516bf2da9e93456696a047562bb0a7bb81. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540005.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc1860f746bacd9f09a1292043bbde8217f441c11544f4e2b0f54bc1257b9e71d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540006.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x82ec451829ca2f99b333d70c2efd689aa9dd383e23013edd6e17cb801a95ceb5. Chain 2 (Bitcoin): anchored in block 960427 (2026-07-31T15:59:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540007.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f4c658103a7b4525cc69e2b4c2d997ab5f1804cb3711a93b791844c14e69032. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540008.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b8cba8217da329b31cb906394764a4449d8632c511ca0c60607e07680580eef. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540009.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc33699647b2a5374e06c68c8be86f1c4d2e056f86ee84d97a6e16104da6d680. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc9f6a6a21745ba0cea0fc6918cba128c40e6a92ffe76f5f3c51337817d21fe. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x63f12c8bea31d40d76d956fcf8c59c387410839c07393a387d571f8f34a97445. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540012.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21cff764256f5cf32499f706ed3b80c547dce1ff5075c583d37258213b0c4d93. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540013.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59fe2c171e133b35c04e292eceed5d9272fbd8718d30c09958445464a27edd81. Chain 2 (Bitcoin): anchored in block 960144 (2026-07-29T21:09:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540014.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2bd3f61c81105a6078cb4be5b0b4f8e8a66cdb012434533769bdc37630ef4202. Chain 2 (Bitcoin): anchored in block 960183 (2026-07-30T01:10:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540015.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46b860c88d308a05a589e6c25836b72f09cf3e04338f0bfbf66625ed7d436ba7. Chain 2 (Bitcoin): anchored in block 960203 (2026-07-30T03:35:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540016.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0454c172ec111d2813b198635b9f473dc0c3a565b38596eb523a1833a00d68c4. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540017.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3a1dfea8cdef153101b19e6fa8c9fee7a9ca9014dc4568b6baf7a3c04033f2f. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540018.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3e1895ff92530de2b49aa175d28e55f73eb46e6986c3e236632db452420b6192. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10540019.
The Cherry Tree: Songs, Carols & Ballads for Christmas
The Cherry Tree - Songs, Carols & Ballads for Christmas
1865: Songs of Hope and Home from the American Civil War
Weeping, Sad and Lonely, or, When this Cruel War is Over
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xafa99d506872d65a6d256ab2c0f3cfed0d9f16167f8de9424f52e9564c881995. Chain 2 (Bitcoin): anchored in block 960170 (2026-07-29T23:52:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454901.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb01d4000aae991e67d8fd66253bb1752362a3a5e446e8687d7af4e69449daf45. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454902.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3c4f37910a8587f3ad7a70e92efd2c8bf8c17e4b7be6321ac757ebc589e22091. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x183069bb93bd53ac32ddbf41e056a1051cad3043aef2caa4001b5164e6f86042. Chain 2 (Bitcoin): anchored in block 960354 (2026-07-31T05:48:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454904.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99983a1f05e668c4988298ed2a88968c724c9bea7cfafeca4b046555283b7b65. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454905.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1635f98d3c805a749007afcce5286b80637fdbbd450c8e31f3e2e8090175d0a. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454906.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x84b0711de1fc857d086f40b7fdb94d08cf1b99311253cb991faa23d421755af5. Chain 2 (Bitcoin): anchored in block 960441 (2026-07-31T17:29:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454907.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4bf27c767b7fa4d3c804a76c1c0242e29e5d0eb63213baf0338c6c375b7e5ba2. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454908.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb20f57b27a908a51fbbb2b9c0d0869e1d4053c1f977344dd3784eae0a15229f2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454909.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9257e3f4b7b964bbc4285205aae696d23a0e1faf496d89fe230f6dcbe8550df9. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454910.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd9cc1eeba0dbd62b00c5b36bddeaee6e3644c623e92ce0b6b2b246e0a1f3865b. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454911.
The Faded Coat of Blue, or, The Nameless Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xad191eeda945001bcadcd8b60c82efacc3c122b1a43686497267da3be9b51df3. Chain 2 (Bitcoin): anchored in block 960397 (2026-07-31T12:24:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454912.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x133ace44b24b40299a5c24e9f64b4348119852dead1a7a26d77c25dc121dcdb2. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454914.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf33be11f50db87a911c5bf70d9162cc1fd5323f28fbe5b36f8c765616c2ca0ea. Chain 2 (Bitcoin): anchored in block 960494 (2026-08-01T01:44:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454916.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab0715af65a3db2c6166f65673954fd9fc9c1337106c5090d698176ed77cb128. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454917.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd27cc7359f5732979a80793b53ca72b422b15cbb5e0226d70030e7f834c74155. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM11454918.
3 Decades of Anonymous 4: 1986 – 2016 (Bonus Track Version)
Agnus Dei, Omnipotens eterne (Mass from the year 1000): Agnus Dei, Omnipotens eterne (Mass from the year 1000)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1bc3d90b78db1573dd35fd10ca9664f2e169f3ecec8c6719e59e7ddccb1c7fa8. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10022410.
Offertory, Ascendens Ihesus in montem (Plainchant for Santiago da Compostela, Codex Calixtinus, ca.1150): Offertory, Ascendens Ihesus in montem (Plainchant for Santiago da Compostela, Codex C
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5016a5925e72406cf0781de50af774002884bee8cc7d0f38488047673570362. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19515614.
Dame que je n’os noumer (Motet from the Montpellier Codex, 13th c.): Dame que je n’os noumer (Motet from the Montpellier Codex, 13th c.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbff5ee39aee3ceb34a66df00cb05f356e6d2cd66c774e8a5422257aaa234ed6. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19410921.
Kyrie, Kyria christifera (English Ladymass, Salisbury, 13th & 14th c.): Kyrie, Kyria christifera (English Ladymass, Salisbury, 13th & 14th c.)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9aa5e9ef789ea121d93adbf37da2846e852c854589f7fa6738be081c050bbe3. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19108005.
Echo la primavera (Italian Ars Nova): Echo la primavera
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x87a152204e02a27d90708aff8681dca0d6d178a24e5fc4fd78d1709961c0bd90. Chain 2 (Bitcoin): anchored in block 960448 (2026-07-31T18:48:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM10026901.
The Drop That Contained the Sea: Waloyo Yamoni
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb647038dda214e19ba0699f01bf07e407209b1f983348858428b722c38a4c784. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7LW2300003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5016a5925e72406cf0781de50af774002884bee8cc7d0f38488047673570362. Chain 2 (Bitcoin): anchored in block 960266 (2026-07-30T14:44:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USHM19515614.