OpenTechnical

OT-2026-000011631

Publication integrity record

Foam pad vacuum gripper, 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-2026-000011631) never changes.

Identity and time

Publication numberOT-2026-000011631 · never reused
Internal UUID01a0ae6d-193f-7dbb-817e-6c392453e6bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011631
StatusPUBLIC

Content hashes

Canonical textb478691ee9e0c02f1008ef8c35a879325ff9582b5bd49664236f411abd3f94f3
Markdown8680769a94a9e05c9c3c86ce87d66f28dc67930bba391a999133a983ae2f6dac
PDF
Publication page54f1a232864ceb1053703898427655f5aa79c0307c2ad0978f019366fe5875b0
Manifest3663e28889a4f3b571ca25e9a186d7dd654e9c3e5e16a39babbf8557f55f0a99

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
Signature718xeRgi/CVtfzUKk/Fcgx9k/Yyi8XQ0WkfbBP2lTlceXPwa7Q9VvZnZ+2UZqve6IUTG5lm5ci/w/ikgRcZ/Cg==
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

2026-09-17T12:12:12.874282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011631
observed 54f1a232864ceb1053703898427655f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.857096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011631/manifest.json
observed 3663e28889a4f3b571ca25e9a186d7dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.840430ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011631/publication.md
observed 8680769a94a9e05c9c3c86ce87d66f28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:12.822521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011631/publication.txt
observed b478691ee9e0c02f1008ef8c35a87932...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent