Alan Hovhaness (;"Hovhaness". Random House Webster's Unabridged Dictionary. born Alan Vaness Chakmakjian; March 8, 1911 – June 21, 2000) was an American composer. He was one of the most prolific 20th-
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x737ba2d17db3099dcd5973e110208a302c0fcd78491f34da562c80c5caa718bf. 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/a03a75c6-4d18-48bc-b1aa-c9f756475c89.json and https://artists.proofprofile.net/proofs/artist/a03a75c6-4d18-48bc-b1aa-c9f756475c89.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
Sonata for Harp & Guitar, Op. 374 "Spirit of Trees": I. Andante cantabile - Maestoso rubato - Tempo I
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
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa0770fbd1e8c7830c42ef16ee58e6ee44f5c348a3cb09b2088715dcacf8af067. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), 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/USTE10301530.
Sonata for Harp & Guitar, Op. 374 "Spirit of Trees": III. Andante maestoso - Fuga. Allegro - Andante grazioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a748cdfbaf3138bf7dd043382376e59afe283cf39f4b3e177765b3ff8868fec. 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/USTE10303530.
Sonata for Harp & Guitar, Op. 374 "Spirit of Trees": IV. Moderato - Allegro conspirito
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x816887e4c0b84f5cbdb4c517e0436c804202434ea645cb9c5ce56ba47b3e0f8a. 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/USTE10304530.
Sonata for Harp & Guitar, Op. 374 "Spirit of Trees": V. Andante appassionato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb0fc81afe92f100325e0ef5b91e52b69c3235da869d0387512d8ca0010ee984c. 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/USTE10305530.
Concerto for Harp & String Orchestra, Op. 267: I. Largo, maestoso e grave
I Fiamminghi (The Orchestra of Flanders)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15a1d067a8c040aeda5a8aebbededa3aac1d8a32320ce8cea91ac48c835c45f5. 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/USTE10306530.
Concerto for Harp & String Orchestra, Op. 267: V. Adagio
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x818d7fd4320814467e4c3b6e231a8b9484b242ba903a1e3b6ba8a9bed94d4cce. 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/USTE10310530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x77284e311058611e55e46f478d7cb6bc75b7f2cc32d2e699abf722471dc90371. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USTE10311530.
Suite for Flute & Harp, Op. 245 "The Garden of Adonis": VII. Andante molto espressivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d1ecd3586a63d7f4c250aa5ad400d675eda216b5dc43997561d9cc20ed137f5. 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/USTE10321530.
Sonata for Harp & Guitar, Op. 374 "Spirit of Trees": II. Canon. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5dd7e5d59b16bf0fab65f237384aed8f3c97a50c67f35e31df418eb4f09f784. 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/USTE10302530.
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
Concerto for Harp & String Orchestra, Op. 267: II. Andante espressivo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb740839c353ade7ba49b4a66999fbf733ba371e7fd00dc7a5da1e4f1c9565e48. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USTE10307530.
Concerto for Harp & String Orchestra, Op. 267: IV. Dawn in Paradise. Adagio rubato
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcc342349d489398bb035ddaf6a461a64f721cd5916f922847e8b3d52d7f1ee84. Chain 2 (Bitcoin): anchored in block 960478 (2026-07-31T23:30:38Z), 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/USTE10309530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1e626e11007be7ba90dbe31a6b32e537b7b0e88300f867bc407c1aef030350a9. 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/USTE10312530.
Sonata for Harp, Op. 127: II. Lento misterioso
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85751176140499555af3f12389ec67678bec04e3fbf1f4cdb1d05d1160320168. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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/USTE10313530.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa1dccd390889e23528f971199e7cd0220c4cd355c513f8739764a1904429f3b9. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/USTE10314530.
Suite for Flute & Harp, Op. 245 "The Garden of Adonis": I. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ad0e1ae4fc91018924b042a15f29362fc775e6b7bd81678d5f3ee4d7de38d54. Chain 2 (Bitcoin): anchored in block 960247 (2026-07-30T10:42:33Z), 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/USTE10315530.
Suite for Flute & Harp, Op. 245 "The Garden of Adonis": II. Allegro
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6ae8c3f4297353f1962fdcb0465c2f376c32820135582f71662802304aaaabba. 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/USTE10316530.
Suite for Flute & Harp, Op. 245 "The Garden of Adonis": III. Adagio, Like a Solemn Dance
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75e034e358c216fecdd62c01ebbc34ba4f5cb8c75e5c9fb8372b23ff2b4c351d. 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/USTE10317530.
Suite for Flute & Harp, Op. 245 "The Garden of Adonis": V. Grave
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xec6cec97db28ffc33fd3c6d82c69f584a3373db10e1f8232ef74efdcbeaadd4c. Chain 2 (Bitcoin): anchored in block 960113 (2026-07-29T13:38:16Z), 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/USTE10319530.
Hovhaness, A.: Symphony No. 29 / 4 Bagatelles / Rubaiyat / Prayer of St. Gregory / Celestial Fantasy / Gloria Patri
Piano Concerto in C-Sharp Minor, Op. 45: III. Largo
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7dcad560ee2399257f0ba0bb11da42a1228fc00f2aef38e6fbc0de760aec5844. 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/HKI190308703.
Symphony No. 6, Op. 173 "Celestial Gate"
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x03d3a99c6034aef78fb12910b77bfbef12ed99f5b4d506baf90508deb22faab4. 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/USTE10301392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbf38508505b0b5503c1b857b98e3dedf4375edf35ce3a30ff666d6eb25797a15. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), 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/USTE10304392.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fa1d3db2686760e3c1e7f6ed76f0b09e0f2121144a4509249743fc41aadbb50. Chain 2 (Bitcoin): anchored in block 960435 (2026-07-31T16:33:26Z), 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/USTE10305392.