OpenTechnical

OT-2026-000041507

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, manifold pressure sensor, pulsed 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-2026-000041507) never changes.

Identity and time

Publication numberOT-2026-000041507 · never reused
Internal UUID01a0ae79-e89f-774d-971f-3a1a8e12ed49 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041507
StatusPUBLIC

Content hashes

Canonical text73b081937a670a26c1d5523731d942b95967d02ac629f48764adbe1237d4e993
Markdownd01d7ec43788601f08099d1dfc820e012a5e2294bc946b855dd10a2c544a7d69
PDF
Publication page229a3f8606c99abec140da34640a7a7baa7776dee1aa2a0ace0cc282e5c81ca5
Manifest66ec58af4918faca3c46cf01e40a8326b9c9d595cb7f162d8ebd65341d532ba3

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
Signaturen2hL+B5tNWD1Tc1Ij/u/YfoZ7ifana497lGujzb1ppgFU77CRfz9axvNkYgrqYr+pBJD82X6fq7KhTZtYRBqBA==
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

2026-09-17T11:16:16.457716ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041507
observed 229a3f8606c99abec140da34640a7a7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.440910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041507/manifest.json
observed 66ec58af4918faca3c46cf01e40a8326...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.423840ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041507/publication.md
observed d01d7ec43788601f08099d1dfc820e01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:16.405742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041507/publication.txt
observed 73b081937a670a26c1d5523731d942b9...
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.