OpenTechnical

OT-2026-000022846

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, single stage ejector, 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-2026-000022846) never changes.

Identity and time

Publication numberOT-2026-000022846 · never reused
Internal UUID01a0ae70-46ea-73c0-a021-2e16c5bfec45 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022846
StatusPUBLIC

Content hashes

Canonical text510ad40d4e76f658544e77f9fa48d38c9a4f93800d5f92dfb2fa30d80dcf69f2
Markdownfd7423d47ba0bd6984e51ccf9be214193fc50467252c96025469be08f0f6bc5d
PDF
Publication page84f4a3d2ec23ad6fd6dc72979b1c497f927b30a98cef8440d623a5326b285492
Manifest43ebae46091b83b524c8344da650d41be2b7a50ba1a9ae53e72490d4c2575963

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
SignatureiXxy4kHwhDUBOHD0v6XPJUQvNDiYwm8tL1JLKdFjlzY3IDmV+HpA30dueC3lFxiV8JzW2M21m4QAKHyvSuU6Aw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:52:22.992231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022846
observed 84f4a3d2ec23ad6fd6dc72979b1c497f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.974637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022846/manifest.json
observed 43ebae46091b83b524c8344da650d41b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.955829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022846/publication.md
observed fd7423d47ba0bd6984e51ccf9be21419...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:22.938436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022846/publication.txt
observed 510ad40d4e76f658544e77f9fa48d38c...
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.