Calloway may refer to: People A. J. Calloway (born 1974), American TV personality Auburn Calloway, flight engineer of FedEx Express who nearly hijacked FedEx Flight 705 Bertha Calloway (1925–2017)
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 0xa67809f58f048da62af63b9ae30ed2a0aec632a602e6e41091fdae81d9d57b7f. 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/4245a6db-dc81-4c41-a778-8cdc9b68a180.json and https://artists.proofprofile.net/proofs/artist/4245a6db-dc81-4c41-a778-8cdc9b68a180.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 0x24df8c1624a009b4c30de740aa9d68eefdcf92514dc1e4a77b4b29f0c6cc90be. Chain 2 (Bitcoin): anchored in block 960509 (2026-08-01T04:30:37Z), 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/GB5KW2102178.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0f607f94945c631266cb949d7943a845b485377861f094619a9f55414fcf6ef. 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/GB5KW2102185.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2820e5882a130384c4298680311951062883314c4893d0205f6ba57c431caf4f. 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/GB5KW2102188.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8fdc427317fa914913d0e8900792807798a5171acdd2cabfa7ea873cc19febfd. 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/GB5KW2102191.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ae00cfeff6e7a0d5263921400e0619f57cf7b2250ca106391b984140b445649. Chain 2 (Bitcoin): anchored in block 960500 (2026-08-01T03:13:03Z), 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/GB5KW2102194.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x234ed57a6319eb8ed9954e63543836ee36aec5461f302e168da2e4f36e738d3e. 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/GB5KW2102195.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6e7c06e6b4539fc9fd32789ba16977310528d90e3ca16283da308eff7c537ab9. Chain 2 (Bitcoin): anchored in block 960302 (2026-07-30T20:09:33Z), 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/GB5KW2102196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xda904ec983b099fdea92a3c8cbe9bc37ec4e332efdeedad12166633f3268072b. 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/GB5KW2102198.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3298b6904077861e88026b22c44a3d420c40cc5a4a6bf39c25ee1901f226f55. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/GB5KW2102199.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x99d2cb2759fc4e739889e8d91771ca98587d881e66d86ea52d4db7fe84faca9a. 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/GB5KW2102200.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3fe71db20bced364ed10fa82794a2fbe508bff452794f9e2216fbd3b9cedbedb. 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/GB5KW2102202.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2226ebae8ca15d5872cdc370ba6689acbedd34e651338b92a7f646bac51d1822. 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/GB5KW2102203.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93a4036ce511a264ea5e98e9c5146c90dd6967bf8681e3b0e88387bf86d2a963. 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/GB5KW2102204.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x603169c70fa77dc58f9b9a22f87085b9156375a30026a12e50c47468f005ba4a. 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/US1BR1300196.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc09f346c1c34f156b25b646f0ea002df8c59a9f4091956a11cabd60636c22597. 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/US1BR1300197.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfb4f584757f096b4365203d1d450383ba3cae028b1bf34aed4db0506cda0d801. Chain 2 (Bitcoin): anchored in block 960138 (2026-07-29T19:35:34Z), 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/GBAJE7700121.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8358e0f06ce43fd9e3d76c1b8addafada043bf8b0d29a66e5ee451b82008f972. 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/GBAJE8000011.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa12db1a0fbac46a0965c251cf7cf80d8d9a7823131152cd95f590f2c4405648b. Chain 2 (Bitcoin): anchored in block 957048 (2026-07-07T14:18:56Z), 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/GBAJE8600001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c37a0b2ceb517130f6ef5572617a5287ca615c07b7d74a7a027eef36e2cd338. Chain 2 (Bitcoin): anchored in block 960108 (2026-07-29T13:09:35Z), 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/GBAJE8700002.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xde3399c6092ced5fab027559bfe417357d57eaa3b69f35cd8a342a035d416ac6. Chain 2 (Bitcoin): anchored in block 960220 (2026-07-30T07:28:30Z), 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/GBAJE8900096.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf1908e2a39ad0860478e871f22f1d49177ed2874461be6e03ef3f55eabce2fc1. Chain 2 (Bitcoin): anchored in block 960334 (2026-07-31T02:19:15Z), 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/GBAJE8300050.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2f57944db0494bfa5b1efdcb7ec60f37bf022ec11fb0d7c33c5d10d5e1b0bcad. 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/GBAJE8700064.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x20ac310c5391accc6b23c1e96548b5c215f08ee3a923e891154dbe63f00d6c71. 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/GBAJE8700065.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2b428c5fdb78326b39c00f924330659e754b7fddc39ab5d206a1e81a7bb83cc. 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/GBAJE8700066.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f6d09abc99d351cbc23918cece6a20eb5e3fd9b7843f7b87bd1ad48c5327165. 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/GBAJE7900166.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4999cda44e24867ed9beb11d53ba2957146ed1799d613e505d56338f521e0ce5. 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/GBAJE8100326.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc72e4785b7279f64701a7af0f3bc7b60d807f327c6a8db0ae1037fc32251134c. 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/GBAJE8200003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb042414e837dd651d5ad92c1f4e4ff63534e9c520a8dbac1c5d511f4f6e16b68. 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/GBAJE8500211.