OpenTechnical

OT-2026-000083644

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three stage ejector, manifold pressure sensor, vented 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-2026-000083644) never changes.

Identity and time

Publication numberOT-2026-000083644 · never reused
Internal UUID01a0ae98-0416-7b16-bd5d-c036a36e887c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083644
StatusPUBLIC

Content hashes

Canonical text69ce1650a2acc9451bb8890d75f82cf5041f52b477e010a980c913f9ded60bb6
Markdownb8e117eab985031b390f3efee4eea217f5a77e47cea0ac701e8c6fc8715cd8f1
PDF
Publication pagee39bef0e0a3866f2700aef3773f003c8fd71721b42414bab9d2e38c685246c1d
Manifestdf577f9e2aaa17dbd874c16df31e66d73bc94a0996ed1d4c38f3d3558f3f4c4c

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
SignaturefLW51V5mQJP66FncO1s1IhUzFbA7tPbTZAEcbqWgN2Lu41xEo7CeW3EID5Ep9QTqac9v/O71ujdg747x8Yu/Aw==
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

2026-09-17T09:57:15.572918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083644
observed e39bef0e0a3866f2700aef3773f003c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.556792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083644/manifest.json
observed df577f9e2aaa17dbd874c16df31e66d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.538719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083644/publication.md
observed b8e117eab985031b390f3efee4eea217...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:15.522559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083644/publication.txt
observed 69ce1650a2acc9451bb8890d75f82cf5...
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.