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 0x9d6c194b9b3be7ff3df958246711876daaef432ca7bd88779a47f24b7460c9e3. 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/f3ae4b1b-3d71-438c-9423-049bb73bdf30.json and https://artists.proofprofile.net/proofs/artist/f3ae4b1b-3d71-438c-9423-049bb73bdf30.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 0xfaad7e40c7ce705c0597a4789f91145a892b755b1a6e3a23b5218f54523f7c5e. 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/FR19X1900156.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15c02af96d007280486366cf20e612fc09adbd6f6a36dd8aa2c2b9ab7ac9f663. 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/FR19X1900166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc704a2d1d7580eea508212ff7e2c5b8489af726b2954b05c8c4fff8248772f9. 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/FR2PY1602900.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc93cae56df36e9c903cf78721b81f8b319d36966056e7694e6e95e29d62722ab. 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/FR2PY1602980.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xceb27a7215b7476ac6ce268b532b480b75b659b6c3aa97e52e59d6739bcee030. Chain 2 (Bitcoin): anchored in block 959137 (2026-07-22T14:03:35Z), 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/FROPM0500350.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37fe01decb5e16ef4b0f3f6090029d65fb3b732d0d705b77eedfd6a4e6ba28f6. 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/FROPM0500380.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14df916f9f5794fa0863ae50933553e5eca47fc24448897a80d7e979ad4b814d. 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/FROPM0500390.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x89892878984a25aebd7bd8892f8a2bd2f6b8deb6e355e0771eb8344ec5a8d196. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FROPM0500490.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa70db406e7d47a919d87310ac87e166295cf30d648d5b731b19b33b64e84b68e. 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/FROPM0400010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2912487a434fbc928f4b467a7dc60415505c6fca3a6fc7dfd126b66e2a92799. 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/FROPM0400030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc2c9cd5eef1a7b68c12cf069616b4faa0c4cb2b7a6410c2c405debd718eb8a53. 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/FROPM0400120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2ba302a205fd19c681825d618b410ae1f439b1370d366bf5cad715e044af1f76. 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/FROPM0400060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf624632d64b455b547d1c8461690f397e84ba7130352670cd460bc687d74066d. 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/FROPM0400130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x13722c6c3e1df6a2e3548a1d077ab03ec0a64f9eb9db8def8c0c51358bdafff5. 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/FROPM0400100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x48a2494adb7701e2138bdff3c9e7638f73a2ecdf7d05959d728cbcfa2a323761. 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/FROPM0700040.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x78d55fa74508f9ba7528d25005732c861cce8a925a8318ca8a97715c93e9aa49. 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/FROPM0700120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c44ee8a1c2623e716991b8cf7b7631af43f28c68a69441abf21c4c6eb1a5d81. 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/FROPM0700090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9640b55b1e756dfac396ec9da5e1f529a8c83e225704530d28e276fa93cb9a22. 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/FROPM0700060.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb9872c8c5ec332d5238d876c032261ffd1d456cc46faa78ce5244051fb18d174. 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/FROPM0700050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x64ff1b4fd27bf5338a7fec48de8cd868262cb31c033ed7d747affaec0542cbfe. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), 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/FROPM0700130.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x172f57dea3bf6bac983e4f70f908c51a7d5c17f501523bef1a999bd36639df39. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-16T23:54:28Z), 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/FROPM0700020.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe612717e0f48642c2643a26b9beeff543e572dba532f750b74a1c87984e2ff22. 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/FROPM0700110.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1f107b81e2e115754ccd6129aa2bcddbf1c04e3bdd3552a3dd220c8cc3eb99ae. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), 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/FROPM0700030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45b7aa622462d6db1f56834261440c477099331eca0188d6a35d15f31beb0832. 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/FROPM0700070.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9c9502765a4b379920a28681e7ef2998f6ae3450dbd07cca227586ea48c9145d. 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/FROPM0700080.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76d527ef805bd36ce3be0e06fdbff9da90646454002ae6841069f97e87ee3d09. 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/FROPM0700140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4f598aea1d540e0235f6f3db2ee7657043ea98caa34fc2e48e0a89d7765c2771. 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/FROPM0700010.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc46d5227f6ac65a313310272980c4ed350dbe487f972a61b0e8785aec0fc3fb2. 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/FROPM0900220.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd7b292bfc787a3ec99a589bd7f7d5e0fd73274c4916591a51fe87504085c1b6. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/FROPM0800030.