OpenTechnical

OT-2026-000044142

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, sustained blow-off after 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-2026-000044142) never changes.

Identity and time

Publication numberOT-2026-000044142 · never reused
Internal UUID01a0ae7b-d67a-754c-b55d-d723aca16a4f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:06.584190Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044142
StatusPUBLIC

Content hashes

Canonical text5ff390c0f47bb521b188af67588393a27006128b48bae5b1488655983fd4b352
Markdownf9924a8d2447de54fe96c0982af5cb277e4b1e7739368f35e285f051195a1103
PDF
Publication page247bb33ba08d97cf5a565d1d8512b8d94140b43425bbf9275f926e5b64f931a9
Manifest9fa55750fb3d9834d15116905efab8b39a32ce64ba502b6bb6df6086be048a97

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
Signaturel8UYiMewK66stG7aC4pmjt6d0ySbE7yUyWqKXAyr5S/aR5Exhk06fvOSikGD5gQZzHITWziasJDRveqw+B16Dg==
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

2026-09-17T11:12:33.850041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044142
observed 247bb33ba08d97cf5a565d1d8512b8d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.830076ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044142/manifest.json
observed 9fa55750fb3d9834d15116905efab8b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.811426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044142/publication.md
observed f9924a8d2447de54fe96c0982af5cb27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:12:33.793806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044142/publication.txt
observed 5ff390c0f47bb521b188af67588393a2...
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.