Stretch Arm Strong (Also known as Stretch Armstrong) is a hardcore punk band from Columbia, South Carolina, and the flagship band for We Put Out Records. They were primarily active from 1992 to 2005.
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 0x840ae2fcaa8baf4cc43e83b82b33db7a019d371e9647043fe6e4fb182ba9244e. 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/30d3093a-022d-47c8-b9a8-84efd117a1e0.json and https://artists.proofprofile.net/proofs/artist/30d3093a-022d-47c8-b9a8-84efd117a1e0.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 0xe3d80c01fbc075a1ad6ed75dac1f0c6bc963754a587746429cff96f60177fa88. Chain 2 (Bitcoin): anchored in block 959128 (2026-07-22T12:33:25Z), 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/USTN19953842.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd57ce7676faa16835cc712b11cf3c4ecec7736377f627dc353faae7914ea5c4f. Chain 2 (Bitcoin): anchored in block 958461 (2026-07-17T23:18:11Z), 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/USTN19917955.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b505a6b27a809acf37288f8e103fde9f85d21800c57757c2de58bf57c6cc8c6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/USTN19953846.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x05984ab1be0a0471a0593f88a4bca8bb663b70cbf46ea3f12af2a03280765aec. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T21:34:21Z), 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/USUM72108817.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ed5338aa675dbaf71b4d6e598e851910c8d7733ec3c1346accb0134de2e74a0. Chain 2 (Bitcoin): anchored in block 958931 (2026-07-20T21:15:01Z), 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/USTN10120301.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9f4ff41e0e9c258f60403167cf76f25019f9107d2f1f6b383a7e23cb0c3e5e9f. Chain 2 (Bitcoin): anchored in block 959080 (2026-07-22T00:07:05Z), 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/USTN10120302.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x308173f76efccab8cb4cf1151f84561e745768d8a4f8d02a509d40ea15e8e1e6. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T21:09:36Z), 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/USTN10120313.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9fde8dde1421fb290e6176525995100602120971dc9c478a2bdb5c4a3cf87303. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/USTN10320248.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3effbb524f5d8b267c6836581c5a38d93e4ce72c6cc1cd344f55e03147c972f1. Chain 2 (Bitcoin): anchored in block 958541 (2026-07-18T11:37:54Z), 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/QZFZ62043691.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b3edf4def72b144e675fed46ea13835bb79e18ea4c7cb02bf287517b1a9b69b. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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/QZFZ62043692.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x106432c7b3d2cf435346893141c84e0f0326d34750d1e63b910e05aa5dc01b44. 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/QZFZ62043693.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0a00ff5cbe94faac17c47fd5fc24e395cfd73fc8d726778f8dd29d23be3184ab. Chain 2 (Bitcoin): anchored in block 957638 (2026-07-12T01:56:41Z), 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/QZFZ62043694.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xff56a8ef8c07d92a069a1884e6e6738f8efccced8c0bb83abf944bc0fc60ad53. 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/QM4TW2467763.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x02b97692756c039e9eeec6f8b53d3758d3728a36aefbc7c26a5f27e4aab75370. 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/QM4TW2467764.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x28b80763f33b253ea43463cde77623a43b56890eb952c76f8af87479825ce405. 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/QM4TW2467765.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b6e303e890fedf13b098d824c1e95cf7332392a71b1674624fabe8d11f26bcb. Chain 2 (Bitcoin): anchored in block 959152 (2026-07-22T16:23:52Z), 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/QM4TW2467766.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd2632b6da1a6582344a806ed321302c73fee85a1ea6425625d23b497f95b20c. 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/QM4TW2467767.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x243ee30fc046f87914363015bbd97f8ec021ccb9b91026d53e92716adbc1fce2. Chain 2 (Bitcoin): anchored in block 960106 (2026-07-29T12:41:21Z), 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/QM4TW2467768.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf89f906787862063d4b04d75f4b03cd5c88bf1bae412390dae14fb1f2bde3678. 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/USA560588618.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc70c29378e8e235891f58d404a268165c2e9bcb13b36b00e75c199738fa83143. 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/US5260205304.