Club 90
type: MusicGroup
description: Club 90 was an American adult film actress support group founded in 1983. Origins In 1983, at pregnant adult film actress Veronica Hart's baby shower, held at fellow porn star Annie Sprinkle's New Yo
popularity: 2
followers: 295
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85c8945e860803dd1a13d5a35b4e0c7f88d937ae5172debe492ba587a5ab2aea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953954
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953954
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/259cef09-dce1-416a-b00f-6a7f3d01ad3b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/259cef09-dce1-416a-b00f-6a7f3d01ad3b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/259cef09-dce1-416a-b00f-6a7f3d01ad3b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T14:18:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x85c8945e860803dd1a13d5a35b4e0c7f88d937ae5172debe492ba587a5ab2aea","name":"Club 90","registered_at":"2026-06-16T02:43:39Z","symbol":"NIM0912453","token_address":"0xdb44d14aca9f45148d2885403f98f44a3da59ede","type":"artist","uuid":"259cef09-dce1-416a-b00f-6a7f3d01ad3b"}
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 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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85c8945e860803dd1a13d5a35b4e0c7f88d937ae5172debe492ba587a5ab2aea. Chain 2 (Bitcoin): anchored in block 953954 (2026-06-16T14:18:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/259cef09-dce1-416a-b00f-6a7f3d01ad3b.json and https://artists.proofprofile.net/proofs/artist/259cef09-dce1-416a-b00f-6a7f3d01ad3b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T14:18:37Z
  text: {"copyright_id":"0x85c8945e860803dd1a13d5a35b4e0c7f88d937ae5172debe492ba587a5ab2aea","name":"Club 90","registered_at":"2026-06-16T02:43:39Z","symbol":"NIM0912453","token_address":"0xdb44d14aca9f45148d2885403f98f44a3da59ede","type":"artist","uuid":"259cef09-dce1-416a-b00f-6a7f3d01ad3b"}
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