Titus Flavius Vespasianus (; 30 December 39 – 13 September 81 AD) was Roman emperor from 79 to 81 AD. A member of the Flavian dynasty, Titus succeeded his father Vespasian upon his death, becoming the
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 0x0b13d1f8352894f7b51a6e72177c518fc910f428465fcadcf0af2bc963fef8ef. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf8b7c51-0af2-4f1b-a51c-f186c72c3842.json and https://artists.proofprofile.net/proofs/artist/bf8b7c51-0af2-4f1b-a51c-f186c72c3842.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
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 0x1066d3b9b6daf5effd475f083c700c62edcb76f9677f32f6f0e62f0533d3db54. Chain 2 (Bitcoin): anchored in block 958861 (2026-07-20T10:02:52Z), 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/QM24S1801852.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe19344950e9bcaffc3e333f0e02b3aea39e7c15e4797a8dbec8d3e3f044a9fa4. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/GB2LD2010019.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfed4fb193780ba5246f9fae484cabcc4ed9fbede2353bc5279e0cde42539a6f4. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), 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/QM24S2008029.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x51a73f04f1a90c9fb9898457233a1cea3ec958d0356a7952304624367a63d76f. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/USUYG1382495.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9eda4ee6ddb9ee20a12832271b1dbdc9b155742804298245a1b59b708f42bc21. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USUYG1382496.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3bcb90aab32adf049dafb8f2bdd9c81a19f9faebf2332060c5279931a8216dab. 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/QZKDK2231380.
Trying to make it to heaven before they close the door.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3f42b5aebe028de695dc1ac533940a8fff1b0d6c583c0ec6ed9580186326ebdd. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), 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/QZMHN2255162.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b74b4da725c626d8330eb31d0662dd572e75049f0f9574823d44b96a17de890. Chain 2 (Bitcoin): anchored in block 958827 (2026-07-20T07:37:45Z), 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/QZS632246085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x697c7ae49bd72c4cf9d76648275f6b4062ebc27ae2c56cbca70e561d23e5f2a0. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/QZS672243742.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6f0d464de530e5c9656a8da326f7f949d9300b0cfdb559c695f3729de1381dbb. 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/QZMHK2246039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0bf7e4b69ceba839ec26e10a6371960fb9324b69932b0e91c1a0c8c2e4570d8. 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/QZS632245239.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x406abfe607be3cc38b7fb6fe84d3b68354d73f7c5554371942824f92f14057be. Chain 2 (Bitcoin): anchored in block 957882 (2026-07-13T16:48:10Z), 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/QZMHM2258085.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x65bf1e35daa933d2a5c786989d04d661f32a650460796a317394474b1b81e06a. 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/QM42K2316501.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6715ea851c922458151644f4327f3a3ecda64659bc92c838383132465a25e958. Chain 2 (Bitcoin): anchored in block 956578 (2026-07-04T02:23:20Z), 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/QM24S2303456.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02f95e2a4f562bcbff5c338f028f725a52bf901770440e4735a56de176d99074. 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/QZMHL2302903.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6da5f838797983bf037016defa28c785db42c24c65a44cc119253938911f04f. 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/CYA221800039.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54e650a0defea2f358c1b792d45f368f5bb9f4f2ae51a1ca8ecde3145c7825c1. Chain 2 (Bitcoin): anchored in block 954130 (2026-06-17T19:07:14Z), 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/BEIW12200026.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcf227c422c6fda858035615185167afcb57911e1602551e111ad2729be81e5a7. 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/NLZ541901183.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298e2171fbac36544352ecc24794672a3266e98127b7b5aa14db40870c166aae. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/NLM5S2001004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeb22dad546b2c54622df106af08e85c5eb6a0ef7964b6611538b29e39820176b. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), 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/USAT21905278.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8ec62feb6fe25a44d6257642009b5633c29f8483ce46308af9f712c05e6c0b4. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM24S2107098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69ab1a73e1e64b58905b4eb544d83f3a74f8c3db67b7d26237849a8a6933eb28. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QM24S2103512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69ab1a73e1e64b58905b4eb544d83f3a74f8c3db67b7d26237849a8a6933eb28. 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/QM24S2103512.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x210b1dd1c29696715941884c2b3a33810adc68ee8c8f522a9772c267e1b658c7. 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/NLM5S2001098.
Martin Garrix presents STMPD RCRDS Vol. 001
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x298e2171fbac36544352ecc24794672a3266e98127b7b5aa14db40870c166aae. Chain 2 (Bitcoin): anchored in block 956891 (2026-07-06T07:16:32Z), 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/NLM5S2001004.
Armada Invites Radio 264 (Incl. Kav Verhouzer Guest Mix)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3ef98c5d45988781426e52c271b7196899754c3f213d4df6044394a44d33c04. 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/NLF711906385.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa03f063c5d906128cbaff2567c656abf4039584bb1229c3aca0bddfff5e74653. Chain 2 (Bitcoin): anchored in block 960179 (2026-07-30T00:39:11Z), 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/NLZ542001050.
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 0x17258bf60e1daa32f5f65c3c9c2df124b258115102226b7c9a9233b9d53e1f44. Chain 2 (Bitcoin): anchored in block 960288 (2026-07-30T17:41:38Z), 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/NLM5S2000980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fc7b2140cfa31ecca8b23aae5fff8e7ca991def2ddfe83e544b256bcbfad2e0. Chain 2 (Bitcoin): anchored in block 960222 (2026-07-30T07:48:45Z), 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/USDM31996001.
Sunnery James & Ryan Marciano Present Shameless
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83f7e5bba00677e42ed5e739b3b890edf34d0c561c2b30254a3de0d885b9eef1. 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/NLF711904089.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4c1da208b11c0a9b1e0cac3be8f028d34643dc9dca127afbf3d3b00eab9213ff. Chain 2 (Bitcoin): anchored in block 960273 (2026-07-30T15:42:38Z), 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/CYA221900068.