ER Production
type: MusicGroup
popularity: 3
followers: 114
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x224996c7cd62a39e1d4b3c7f2f0966a53ce5437ea1b018e7a6e70d3f3083de9a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954346
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954346
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99c2537f-05e0-4b98-b498-235ddb895811.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/99c2537f-05e0-4b98-b498-235ddb895811.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/99c2537f-05e0-4b98-b498-235ddb895811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:51:26Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x224996c7cd62a39e1d4b3c7f2f0966a53ce5437ea1b018e7a6e70d3f3083de9a","name":"ER Production","registered_at":"2026-06-17T19:06:10Z","symbol":"NIM1490430","token_address":"0x0d907104e5f2c66bf0532538fa460545f8136c5e","type":"artist","uuid":"99c2537f-05e0-4b98-b498-235ddb895811"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x224996c7cd62a39e1d4b3c7f2f0966a53ce5437ea1b018e7a6e70d3f3083de9a. Chain 2 (Bitcoin): anchored in block 954346 (2026-06-19T03:51:26Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/99c2537f-05e0-4b98-b498-235ddb895811.json and https://artists.proofprofile.net/proofs/artist/99c2537f-05e0-4b98-b498-235ddb895811.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:51:26Z
  text: {"copyright_id":"0x224996c7cd62a39e1d4b3c7f2f0966a53ce5437ea1b018e7a6e70d3f3083de9a","name":"ER Production","registered_at":"2026-06-17T19:06:10Z","symbol":"NIM1490430","token_address":"0x0d907104e5f2c66bf0532538fa460545f8136c5e","type":"artist","uuid":"99c2537f-05e0-4b98-b498-235ddb895811"}
album: Album 24
  type: MusicAlbum
  date published: 2014-05-04
album: Album 23
  type: MusicAlbum
  date published: 2014-07-19
album: Album 31
  type: MusicAlbum
  date published: 2014-07-19
album: Album 34
  type: MusicAlbum
  date published: 2014-11-05
album: Album 22
  type: MusicAlbum
  date published: 2015-01-09
album: Album 21
  type: MusicAlbum
  date published: 2015-02-01
album: Album 20
  type: MusicAlbum
  date published: 2015-04-10
album: Album 19
  type: MusicAlbum
  date published: 2015-06-09
album: Album 33
  type: MusicAlbum
  date published: 2015-08-21
album: Album 18
  type: MusicAlbum
  date published: 2015-09-12
album: Album 29
  type: MusicAlbum
  date published: 2016-01-01
album: Album 17
  type: MusicAlbum
  date published: 2016-01-25
album: Album 28
  type: MusicAlbum
  date published: 2016-03-20
album: Album 16
  type: MusicAlbum
  date published: 2016-05-24
album: Album 32
  type: MusicAlbum
  date published: 2016-06-23
album: Album 30
  type: MusicAlbum
  date published: 2016-08-20
album: Album 15
  type: MusicAlbum
  date published: 2016-09-09
album: Album 14
  type: MusicAlbum
  date published: 2016-12-03
album: Album 12
  type: MusicAlbum
  date published: 2017-03-19
album: Album 11
  type: MusicAlbum
  date published: 2017-05-15
album: Album 13
  type: MusicAlbum
  date published: 2017-12-17
album: Album 9
  type: MusicAlbum
  date published: 2018-04-25
album: Album 27
  type: MusicAlbum
  date published: 2018-10-01
album: Album 10
  type: MusicAlbum
  date published: 2018-10-19
album: Album 8
  type: MusicAlbum
  date published: 2019-02-27
album: Album 7
  type: MusicAlbum
  date published: 2019-03-03
album: Album 1
  type: MusicAlbum
  date published: 2019-03-22
album: Album 5
  type: MusicAlbum
  date published: 2020-02-18
album: Album 3
  type: MusicAlbum
  date published: 2020-04-07
album: Album 4
  type: MusicAlbum
  date published: 2020-05-21
album: Album 6
  type: MusicAlbum
  date published: 2020-09-15
album: Album 26
  type: MusicAlbum
  date published: 2020-09-21
album: Album 2
  type: MusicAlbum
  date published: 2020-09-22
album: Album 25
  type: MusicAlbum
  date published: 2020-09-25