Bristol House is a historic home located at Lima in Livingston County, New York. It was built between 1870 and 1875 and is a two-story, three bay wide by two bay deep, Italianate style frame dwelling.
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 0x240c2fd5e90f7f0f7c4c838dc7ec300c3d5b719996b1c81cd8e734faf466fbac. Chain 2 (Bitcoin): anchored in block 953786 (2026-06-15T12:56:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/da66e6a9-66de-496b-9505-2aa94407379d.json and https://artists.proofprofile.net/proofs/artist/da66e6a9-66de-496b-9505-2aa94407379d.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 0x3bf3cf6f71c079a44922aaeeb47b80174b9a4457c4db13d07deabffcf43c00fb. 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/QZPLS2336128.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2b22720420ecfa7d060751b8e7310798a1bddec5bf253a5ab487d838f905553c. Chain 2 (Bitcoin): anchored in block 958137 (2026-07-15T12:25:28Z), 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/AUGBT2309199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6b656acd6739ab12a76f165670fb35ab85af13ba6c02b0995323430726b28471. 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/AUGBT2309205.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x14e11ef43513bbf24f6d7553c62ef8991d5c2a21b5f36937771df5e3f9de23f7. 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/AUGBT2309207.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbbebc88bb2a41533083fde47c23e776aba621af98a32d369b7edf7b90623e6f9. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), 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/AUGBT2309214.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb86263671c19b43e969b0bdeceb0a2953c52273b433dbee3c3d7ba7340ebba3. 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/AUGBT2309215.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x250b6a3f28f6d0c50529cd6576c6042cecacd9a5f386ac8fda483328d7e3de7b. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/AUGBT2309218.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda6452edf9db1b04593c0f977df53600a05e9fec3224b36ea3c3b4d05d773f54. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/USWFE2591314.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8af71feca26a58977fc64d85718f573f99e3f2dafa9a96b98fe107865e516f6. 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/USWFE2591312.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5a55dce67a73c9408a14ffb28b855d4daff3d8926c12338ed92159f7a7f4d76. Chain 2 (Bitcoin): anchored in block 958335 (2026-07-16T22:37:47Z), 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/USWFE2591315.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x931afb1e99a10269fdf4d144a28b53723ab38b34bbcec67a9a441a9b8d1b505a. Chain 2 (Bitcoin): anchored in block 958448 (2026-07-17T19:49:21Z), 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/USWFE2591316.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x324f7fc674116dc1c1680748d759d7757be22d6d9d89936b3123f0e307f3527a. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), 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/USWFE2591317.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x33e7d165c6443b4d5165ca34af4591e441291ac495493262f0e541a4c62f073d. 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/USWFE2591318.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdac283630ebf1689f0871c387636bce9370ab72849cf359e6e7dd5bbcdcac0a6. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/USWFE2591319.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae50fde414fd4cbb51968fb3c0f3a047e277caaac7f268397f38a79698f6372e. Chain 2 (Bitcoin): anchored in block 957775 (2026-07-13T00:04:23Z), 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/USWFE2591321.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4df9073f233245942ff9f1576054468fd29cd7d2142099b537f5d35376f2fe5. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), 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/USWFE2591322.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fab639ec6908a760014ee05dcc0eb0a1b9c62604d0c74f40239048fd0d08e01. Chain 2 (Bitcoin): anchored in block 958587 (2026-07-18T17:06:26Z), 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/USWFE2591323.