OpenTechnical

OT-2026-000012567

Publication integrity record

Foam pad vacuum gripper, four zone face, two stage ejector, 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-2026-000012567) never changes.

Identity and time

Publication numberOT-2026-000012567 · never reused
Internal UUID01a0ae6d-39f7-7d24-bf17-e440ef7e3bcf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:08.998406Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000012567
StatusPUBLIC

Content hashes

Canonical text6a2a862399cc570a9cbe0179edec29f10d30c23f7c2136b2ab4aef7fc0755355
Markdownd4ae1c43802fdb7fcb448570717d8664d4da48a0c75ddea6aa9062dfd75461bd
PDF
Publication page1bdcc6ea0efe91f66c25d61de331410c38a9e80ac56ef3f97e5b91e1b0ccedc9
Manifeste188002b8ae951840b9b78179102445f437849337e07233cd1c9b5394e5473c1

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
SignatureAuMYNuR2TWBFAg+FZJuUu2ZBAVjYqJ9+Sj2MkHyRGW5nfWzKvg9b4uVfcYb7vRFo8JEIbDpVwmsnm1fsfVn8Dg==
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

2026-09-17T12:12:07.007037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012567
observed 1bdcc6ea0efe91f66c25d61de331410c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.989909ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012567/manifest.json
observed e188002b8ae951840b9b78179102445f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.972747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012567/publication.md
observed d4ae1c43802fdb7fcb448570717d8664...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:06.955088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000012567/publication.txt
observed 6a2a862399cc570a9cbe0179edec29f1...
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.