We Are the Union is an American ska punk band from Ann Arbor, Michigan, formed in 2005. The band is now based out of California. The band has had many lineup changes since its inception, with vocalist
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 0x21c05174e2a9d27bc38484236d571bfefd041d5408a5df89431378cc620aa6c4. 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/e81d4382-0c87-4c18-b943-54b81b82bd6b.json and https://artists.proofprofile.net/proofs/artist/e81d4382-0c87-4c18-b943-54b81b82bd6b.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 0xa38acf7258b60f6e3b07ef1176d145990dd7d011ee8f4ee86dd5db947a56d038. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), 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/JPJ770900001.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x825000c191f0c06f1658a36337adcd88a7cf660e1e18a208ba6702286613ef1a. Chain 2 (Bitcoin): anchored in block 958977 (2026-07-21T08:50:38Z), 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/JPJ770900003.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x96c82657b31d4f5940c3912455a184cf2b9cc5fcd5ae30806c114a69ce1d5160. Chain 2 (Bitcoin): anchored in block 959008 (2026-07-21T13:14:05Z), 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/TCAFB2070824.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0a8c885714ff1983dfbd5c9a17332387c68e1b695141c83d7f719620ea7736. 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/QZDA81880947.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75765dd96c53946857abc1b9b8841e088f7fc11fbc611f7a943e274a2e7ac638. 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/QZDA81880949.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2494d6d127879d0579467c6472513e38fba7401c607e23e17ce5bfd78cb70dcd. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZDA81880957.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ebb721f345688d16c7b0042fa199cda37b79fa6292ece548011de85a9088cb6. Chain 2 (Bitcoin): anchored in block 958942 (2026-07-21T00:24:07Z), 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/QZDA81880958.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd0a716faea7889e25dabe8c8e029cfdf537a3cbf430184eec4a8ec6bc8f055e. Chain 2 (Bitcoin): anchored in block 959051 (2026-07-21T22:41:41Z), 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/QZDA62054476.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe5a4d0720bb895c1c2b56119b531b658fbcbb0728fc97e3c66920f568d957e86. 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/QZK6G2004977.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d0e46f430d8f15e560b1f1b5433466073df6bc9b655ed7cceb10d7afa66ef02. Chain 2 (Bitcoin): anchored in block 959058 (2026-07-21T23:29:16Z), 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/QZFYY2188056.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9336bd5a2ca48b0725a13764e21dbf4fd211cd9afa19f2c40690994129007dfe. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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/QZES52194254.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2cca5a41aa5ac4bdbddc79b849fed4ad065536311d93914ea9c4e739d7fb085e. Chain 2 (Bitcoin): anchored in block 958538 (2026-07-18T10:30:13Z), 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/QZHN42161409.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcfc880b20ab52e7a20e76c8176c00850aa2fa7b167f63285e90d60214daf5db6. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), 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/QZHN42161410.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x013d239052538557b25eb3cb609ff744e3e118eeb6360d203d6c75a7469bbcbd. 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/QZHN42161411.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfcb59d64b6f5263c109c9c57809eef041b192cf6a2d1d179980c9578189dff26. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/QZHN42160406.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x80171cd46c6084c7fbea1033ae5b701613074925e9f0efe357a9762aa343f307. 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/QZHN42161412.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa709232ca9a388a76bd04a09d364e8d08faec6fec3450bbaffe59639b840b141. Chain 2 (Bitcoin): anchored in block 959096 (2026-07-22T06:48:47Z), 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/QZHN42161413.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xedf42e214db291aeedb46f453e9ca21b8a7ca4f68cf282d7edd2e73b201ba717. 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/QZHN42161414.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb88a4f980e1a837a8b6f82b284821e6949c73f36f2b7a9659634a1912b5b8ab1. Chain 2 (Bitcoin): anchored in block 958975 (2026-07-21T08:44:14Z), 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/QZHN42161416.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7a9187af2b058e4e067c9f6de08c3af2fc1e68da401dc44c3b14f16a97ac02e. Chain 2 (Bitcoin): anchored in block 958197 (2026-07-15T20:40:29Z), 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/QZNWQ2142752.
Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd594bd130077cf494bf5c206f5555c39811f59455cfc405d96f34e705ff32ef1. 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/QZES72249557.