Volo can refer to: Places Volo, Illinois, a village in the United States Volo Auto Museum Volos, Greek city Çatalada (Volo) Music Volo (duo), French duo made up of Frédéric and Olivier Volovitch Il
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 0xff2db496efc6a9cb1d676f2e677fe9f6a09577429c1efc8e268c587d5db540b9. 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/b68aa32e-9308-49b9-a711-2e702e186851.json and https://artists.proofprofile.net/proofs/artist/b68aa32e-9308-49b9-a711-2e702e186851.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 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 0x654defb659dcffbafd1be550d2599e3ccfe650419f6e6a8c04257d52d0dccdc2. Chain 2 (Bitcoin): anchored in block 958455 (2026-07-17T21:28:36Z), 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/QM42K1612487.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48fca7577be20ac083ae6a054f72ee88e89b11fcfd043e6215736ffb4916b51d. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T17:14:36Z), 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/QM42K1705228.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26bcd4be51c456be57f2ae54071a5ca1c40aeae5e52294055ed0e316f8f8d6aa. 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/QM42K1792004.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2364383893fb1a23c9996cc818faf18860c0ef0b91c5f7555331164fe75f566a. Chain 2 (Bitcoin): anchored in block 958825 (2026-07-20T04:55:29Z), 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/QM42K1853770.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x279f54095e8af46875aa5d6d6fd82fb5652b62eb62aaff78d539f81f74b484c8. 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/QM42K1998688.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3617d59338bc16d5fb1e42976d1c36de303d493e9770f172ac77fe0925d56bd4. Chain 2 (Bitcoin): anchored in block 958211 (2026-07-15T23:24:33Z), 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/QM42K1821394.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x814c14e1887fc66d273fea61dcfe6c1fd59e90a6bfb3a281aef41f14faf9d357. 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/QZFYY1987587.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaebabc680174da8c41bb73c8ca27551d82a90014adfaf92f6b0b5d7fef2b0026. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/QZDA82007292.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd04e049d9162df6ba19753ea2e1b63d6c45b6b2313cb128d03841cb0d80a3c65. Chain 2 (Bitcoin): anchored in block 957872 (2026-07-13T15:39:45Z), 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/USA2P2021558.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a2e6dffc727962869a409f7798be6cb094dea4ad1bc88daf8f928d993499c7f. 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/GBKQU2130128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbaefcad65a516bfe6dd3179d61a768f4ed8b75b9714d965a9afce3bb053e1821. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), 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/GBKQU2130129.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91678fbcaf86c743dc32b213341f8ba24717b3efbb1c99b38fc16213a0a05c9a. Chain 2 (Bitcoin): anchored in block 958585 (2026-07-18T17:05:16Z), 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/GBKQU2130130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2882813858de16119f7e350afeee99cb45f8b418ec42321eefafed8c5c8a90c5. Chain 2 (Bitcoin): anchored in block 958350 (2026-07-17T02:31:22Z), 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/GBKQU2130131.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbc614627099bfce2aa8dea19e558766af2a6a8f51d81f56b19fbed266147524d. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBKQU2130133.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc266ada9a235d41a65f0a8063e1f647a15407dd9912c3fba9375f2fbc79df1e0. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/GBKQU2130134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x593de6179ceebebd5d0c7fe237d86cbd1cfb1c122b12148ecfdae1fbe0277f80. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), 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/GBKQU2130135.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x47cb1cad019ab276439d5067e2f57bfb08b35597e52dc8d6877428ca6b66d3dc. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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/GBKQU2130136.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc3773c0d5b2f447f6b9388b3fd58d590df67d4d501bce0859d90b8a1734ff9ea. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-03T00:42:11Z), 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/QZTAT2167845.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x86d04121730f9da1a0c080097395e623aa53f638ce5307b3b3ea0cd272bdb031. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZDA72340325.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9401b45598e0715972decffeb30451f4684f19df269989c65fe0ff23a802dc. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZNWV2214582.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeaf06009fd80551344a1e9523d9b78443dc18719805f68b4d70e601c51630c1d. Chain 2 (Bitcoin): anchored in block 956857 (2026-07-06T01:26:17Z), 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/QZNWX2277893.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa368f67033cec643821db82861457371427303ec298148744b7ac605380befca. 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/QZFYZ2403636.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x611258137fd68b8df7a7777739290182fd682cc0943d409192c32207c238732e. Chain 2 (Bitcoin): anchored in block 958180 (2026-07-15T20:12:42Z), 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/QZES52414413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefacf5ae6f4dea1944fb71bc9fa9f8f61db55d5fd740bdf675fb25b859c3b010. Chain 2 (Bitcoin): anchored in block 958716 (2026-07-19T10:15:55Z), 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/QZTB42485156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x129ca5e21704aa65288e46f7b1866fc6c3663c23d2dff3534bf875e8b73b049f. Chain 2 (Bitcoin): anchored in block 957780 (2026-07-13T00:36:44Z), 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/QZMER2568826.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x376febf99381281e82ff46e5cb550b88a9e54345e6d4183de54344f1aa35d8e9. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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/QZC5T1900074.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe753592c12aad644306d7c206ae50ce0cfe7da07e72b6b01ebb6caa8b837a8a5. 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/QZTBE2352699.