OpenTechnical

OT-2026-000089672

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, manifold pressure sensor, 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-2026-000089672) never changes.

Identity and time

Publication numberOT-2026-000089672 · never reused
Internal UUID01a0ae9c-1a22-7a9a-ad52-4eac6168e970 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089672
StatusPUBLIC

Content hashes

Canonical textbbeebe5f335d2f5f3c7220e1a18f3dc3a1a09c210f8759d5ffa1da6814ff79bc
Markdowna919fd42d208c020de0389a82ed681d7e208c4ce5a61b996e8a7697e54e56217
PDF
Publication page016c98615af8b819b11c263cbd7445f33c0b24f84845f6474094c644aa8aeb4e
Manifeste69ad834022e881e99f21cd3d9b659c4afe60b8c2b50b85e37801b7d974b7b79

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
SignatureWb19n6COYpa7JczFo+8nQp0Pt/JU5ev71im/Rsb4LRTbUeLF0oTLKFKSkZJx55Y973N2zr32wwVhn221M5/DDA==
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

2026-09-17T09:46:40.087982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089672
observed 016c98615af8b819b11c263cbd7445f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.068855ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089672/manifest.json
observed e69ad834022e881e99f21cd3d9b659c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.050493ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089672/publication.md
observed a919fd42d208c020de0389a82ed681d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:40.033827ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089672/publication.txt
observed bbeebe5f335d2f5f3c7220e1a18f3dc3...
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.