OpenTechnical

OT-2026-000081719

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, sustained blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000081719) never changes.

Identity and time

Publication numberOT-2026-000081719 · never reused
Internal UUID01a0ae97-0f73-7829-ae68-9407d892b9ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081719
StatusPUBLIC

Content hashes

Canonical text949b21d44daf1672538abf1f05163f011740494ef6a719b1444e67ac0e3ffdaf
Markdown7febadb0aba603465bf8b61a2d56eb20a19c715e28e7e0147a08dc5f7e09e55e
PDF
Publication page18ff010dd9f2b565089e8df753bc5c27b47cbb746a52d6fe3349e9012aba0f5a
Manifest081eb927f989a349de2412a4ee766b2a8e7930545a1ed88ec2907cdf9a91fd01

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureXW9ZGUDGzRAdtAhIgEr97WEyslb5NTGFGOOwhcVvUx52Ln/JnuCg1enmbIlKn/6u136Tn1qGvLp7+yUl26q7Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:47.700162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081719
observed 18ff010dd9f2b565089e8df753bc5c27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.684003ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081719/manifest.json
observed 081eb927f989a349de2412a4ee766b2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.667606ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081719/publication.md
observed 7febadb0aba603465bf8b61a2d56eb20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:47.649229ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081719/publication.txt
observed 949b21d44daf1672538abf1f05163f01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.