The Celtic Social Club is a Franco-Irish band formed in 2013, blending Celtic music with rock, folk, reggae, and punk. Originally created for a one-off concert at the Vieilles Charrues Festival in 20
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 0xea7baf6eb9234d28b0b15d2fa3686c9b8184b576dd304455dc6329fdac2cb463. 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/9bab8364-76c4-4530-9511-0ea1420aa369.json and https://artists.proofprofile.net/proofs/artist/9bab8364-76c4-4530-9511-0ea1420aa369.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 0xa61cbebb3d638e9012c6f904133974ae00ef05e92090b84a69a4457cbc297a4a. 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/FRY471461201.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8f6cce3581dfaa03d89c128fb2e3c3bfab71e6e2edd2ef44f28342f70c18421. 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/FRY471461202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf488fedb2299c9038d0ce797ad7f2c371a7dc072beff318fb20ca80eba04531f. 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/FRY471461204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xacb2cb0306d1364437c84029cfbce612f82776f6fe107e10d4b0240c0853bc7c. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), 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/FRY471461205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30462481093e681984b030e474bdc8da3c01801378b194885e9f075050a539d5. 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/FRY471461206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33c5c4b1a48e404d0ece2d2cf41914a8c32ed0c0b07602242a86590e58f446a0. 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/FRY471461207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x79e4a069a0ab69bbcfb868896e20e75fd40393322f3aff048873f65c7f7c20ed. 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/FRY471461209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x25c18e693fb79f99748e827a52926fba8042fe1fa69239c46f7106719b89b5c6. 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/FRY471461212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7de0088f761b3d948d5697f82448fba8de648c9dbebc57bd52e90944552be3db. Chain 2 (Bitcoin): anchored in block 960177 (2026-07-30T00:21:01Z), 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/FRY471461203.
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 0xad47b0074e5f3bd18f7bf1c43e9f17852e6cc7b71beba12e6d1d636ce372ea26. 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/FRY471461208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x72758281005bf3ec2cf39f438533966d4aff5afac65a1652bfec47f295add358. Chain 2 (Bitcoin): anchored in block 960095 (2026-07-29T11:07:37Z), 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/FRY471461210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbcf565afdf65404a9d6668778fa7d26d2e6eb5a6e0e21284cbf00119c97e9047. Chain 2 (Bitcoin): anchored in block 960284 (2026-07-30T17:23:26Z), 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/FRY471461211.
Unplugged New York City (Keltia Musique Bretagne)
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x873f5b1e6463caa0f555157f56e50030aaa81e67a3d511c9d83c3da95b1c5d83. 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/FRPC81900210.
It's Morning John - Live Vieilles Charrues 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4e4b7b48b1ea09e236a4995c66b5312e942328129e1fe7eaa71d4f84295c73e. 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/FRDQF2300030.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd536164078b7163a05c6099f875f39ad1d25ac97418e108eb937f0f4261e77. 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/FRDQF2300070.
Self Important Clown - Live Vieilles Charrues 2023
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01910d081576863ac05bda2140fba0a1959aac869fffbe35c55cd8ef98ea9b1f. Chain 2 (Bitcoin): anchored in block 958985 (2026-07-21T08:39:15Z), 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/FRDQF2300140.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdad6a791b183e3a905f0741608d3196c3dcff87a8fa8ce492e6062640721517b. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:43:04Z), 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/FR82S2500134.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x159e81bd92a37997b6d385e86b18f5ecbbfd13b9d6acb177adec05e3e957a1c2. 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/FR82S2500129.