Last Exit may refer to: Film Last Exit (2003 film), a Danish thriller by David Noel Bourke Last Exit (2006 film), a Canadian TV movie starring Kathleen Robertson The Last Exit (film), or Little
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 0xccdd930851f1935e56e61689ae0effd15f42b937f351dae1444dc455d6034b49. Chain 2 (Bitcoin): anchored in block 954638 (2026-06-21T03:45:44Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d3634e95-7ae5-4d32-be41-d4463ba94832.json and https://artists.proofprofile.net/proofs/artist/d3634e95-7ae5-4d32-be41-d4463ba94832.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 0x19c8853eb43cd7f3911cfe2a81fda628cc9444b50a713fb9638dc2eeff912c85. 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/QMPFN1300209.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d5025291fd363fb9351b63d53c6b6b2a31de3d406bf2754d352c04a2613d988. Chain 2 (Bitcoin): anchored in block 957122 (2026-07-08T03:39:04Z), 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/QMPFN1300211.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e154dde1cff8aad83c5f3c80e78c0709b8e9045e7500e347ff9ea6f10bb2cd4. 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/QMPFN1300213.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xeddc7681d25f37c68e246c10e979b097cb23066754c0252116d4e95004e23983. Chain 2 (Bitcoin): anchored in block 960264 (2026-07-30T14:36:16Z), 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/QMPFN1300204.
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 0x34a83a6889c26f437104671e552b0bc7be46d67bda7b4da5633ffb7d3c17068c. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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/QMPFN1300205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcbd9242d59b17a90b4920ec8ecee3692854319f72763e79084379dff4d168bc3. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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/QMPFN1300206.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca5900e1e0779bfb4dbaca3cb3fe5fff14d283872dcef4d70d96f9756cfae8bb. 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/QMPFN1300207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e0508d9affbbe1c6419a92d869fb4908f94a75a54abbe76944a3711fd7ecdaf. 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/QMPFN1300208.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7cfbc01c344d179a7c5fc02a9c8aa851d82c5fbbfb6133ede8419ab9da261467. 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/QMPFN1300210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d18fd8e92553b73998c2e65787dd4c14e822b00309169c40f69dc915627d9ba. 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/QMPFN1300212.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45c0eba0d5a4d5d0f9a88f7025ae199cec14d1dc00dd45f12d702cc52ed3d2c1. 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/DEAF75100097.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf278f1184021038823989ca10cd71ea3b89b0dff54e00434bbf932b82c3dbf48. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-22T01:27:03Z), 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/DEAF75100098.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ada90bb2881e8b8bdfda5c8cb0201c509e3db8a7167f3f3880b262f93a3267b. Chain 2 (Bitcoin): anchored in block 956351 (2026-07-02T11:38:34Z), 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/DEAF75100099.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82444fac6cd2fd291191203558389340c9a183ea64b9aee2fdb33bf47019c3e. 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/DEAF75100101.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0866e0c9eabc121c8aec1ba3107e938afeab160128de87b204ef1c3dbb20ec49. 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/DEAF75100103.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef6cf17630eb8994cf6d168439cb57901fbebb602ac962f1ffab6fcdbfedf470. 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/DEAF75100105.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8950406a1d52c8dd51c842e80355f4451deffcb1539b4deb94206dbb926ae76c. Chain 2 (Bitcoin): anchored in block 960216 (2026-07-30T06:39:12Z), 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/DEAF75100100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa4fc757d3cf7c4e842011127a0209b0cb4fe21a4879d9223d7adee2b585975e. Chain 2 (Bitcoin): anchored in block 960207 (2026-07-30T04:47:22Z), 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/DEAF75100102.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33911f39784ebaf823ddc88be944d31a6270828d94b5fc1fd9cc06f261cdeb79. Chain 2 (Bitcoin): anchored in block 960419 (2026-07-31T15:20:33Z), 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/DEAF75100104.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf960f9e0b238490c983a324094ca094a881c3e70c38b33f0c18b771b8de9598d. 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/FR8GV2257090.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdfc255675a135f6ce79f046e901342f07892cf72a0a5fd2ece81f66640af2334. 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/FR8GV2257100.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf2374590a272083f357e0cb845ed7efe2db1ce8b4364f815d7672e3ff55280da. 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/FR8GV2257120.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x50d0f21492269d7eccf44f21e852c2ebf76c8570b92bc2e177757457988d3c8e. 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/FR8GV2257150.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff4c07ff955d012ac784b29c6168653566245cac7ebdd8345e7375d701e7150b. 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/FR8GV2257210.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2fdab83e4646d7686b2bc1ce0683d6f734c66d616251bc3b09263da0c9af66f2. Chain 2 (Bitcoin): anchored in block 960294 (2026-07-30T18:46:00Z), 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/FR8GV2257140.
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