OpenTechnical

OT-2026-000085445

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000085445) never changes.

Identity and time

Publication numberOT-2026-000085445 · never reused
Internal UUID01a0ae99-aaab-7008-b801-853acbf95842 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085445
StatusPUBLIC

Content hashes

Canonical textf2f50f137fb4dc2262de573d9e2d8da6446a6c0b41609e6a3a6cd1e8589076b8
Markdown08db755b13750b0a89094d879c4943e11c82bdf90bc65c6669fecd4589e82ac9
PDF
Publication page19e28ea41b38b56f5b51c3fa6f3d38c98f3f36e1536745019b2ea1f05f58283c
Manifest18e8cf60fffb1f7708d6d7f8ec86b0f6810c1429e6e87161f1560cd73bfe0fcd

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
SignaturePNz+dVFap0LMZjqvSVupcFqt8p3wrFVOlX2r0oWtsoTsNHuLjQGvrNrsW6nuD5qjZOURHienRZD0MDxAdHaPAA==
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

2026-09-17T09:54:13.916562ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085445
observed 19e28ea41b38b56f5b51c3fa6f3d38c9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.899248ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085445/manifest.json
observed 18e8cf60fffb1f7708d6d7f8ec86b0f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.880735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085445/publication.md
observed 08db755b13750b0a89094d879c4943e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:13.861767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085445/publication.txt
observed f2f50f137fb4dc2262de573d9e2d8da6...
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.