McKendree Spring
type: MusicGroup
description: McKendree Spring is a progressive folk-rock band, formed in 1968 and particularly active in the early 1970s. The band, originally known as McKendree Spring Quartet, formed at Adirondack Community Col
popularity: 2
followers: 575
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8266bc096951652d4ee596ec218273b10eeceb55a681bcf437ef07d9e5b4d6a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954013
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954013
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/34ced583-7c7b-412c-93bb-1a39cebed054.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/34ced583-7c7b-412c-93bb-1a39cebed054.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/34ced583-7c7b-412c-93bb-1a39cebed054
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T22:27:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8266bc096951652d4ee596ec218273b10eeceb55a681bcf437ef07d9e5b4d6a6","name":"McKendree Spring","registered_at":"2026-06-16T07:55:46Z","symbol":"NIM0987009","token_address":"0x8bb0653401c118bdc77053830979ceed04cf7fa9","type":"artist","uuid":"34ced583-7c7b-412c-93bb-1a39cebed054"}
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 0x8266bc096951652d4ee596ec218273b10eeceb55a681bcf437ef07d9e5b4d6a6. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/34ced583-7c7b-412c-93bb-1a39cebed054.json and https://artists.proofprofile.net/proofs/artist/34ced583-7c7b-412c-93bb-1a39cebed054.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x8266bc096951652d4ee596ec218273b10eeceb55a681bcf437ef07d9e5b4d6a6","name":"McKendree Spring","registered_at":"2026-06-16T07:55:46Z","symbol":"NIM0987009","token_address":"0x8bb0653401c118bdc77053830979ceed04cf7fa9","type":"artist","uuid":"34ced583-7c7b-412c-93bb-1a39cebed054"}
album: Live At The Beachland Ballroom
  type: MusicAlbum
  date published: 2007-01-25
album: Tracks
  type: MusicAlbum
  date published: 2014-10-10
album: Second Thoughts
  type: MusicAlbum
  date published: 2014-10-17
album: Suite
  type: MusicAlbum
  date published: 2025-07-05