OpenTechnical

OT-2026-000013844

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, three 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-2026-000013844) never changes.

Identity and time

Publication numberOT-2026-000013844 · never reused
Internal UUID01a0ae6d-8de9-7461-991a-c9a873ace0f1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013844
StatusPUBLIC

Content hashes

Canonical text60fb9702ce36353031da9982fde3c04af6097ed6ac093734e505c6e7c60fa681
Markdown1e6d15b9d9e8a25772a500b8320fcfa701fed3ce982c2eee7eb801b069ae7a26
PDF
Publication page744c562a28649cc008fbc392177f4a26fedba7f7d47bf43c72f68e13bb150e53
Manifest2d921577fb253e89e29afde0254d919960467cc689a1649c9a35414fae8ef01d

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
Signature6JRGxrv+WhX5DoBHRN1NBAT7g1a8NaS4+bsQuwdhkmoW9eVvDqd6793jNOAqSz3Na4J1U4Bj+kkDq0FSJ4aoAw==
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

2026-09-17T12:08:57.015640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013844
observed 744c562a28649cc008fbc392177f4a26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.996507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013844/manifest.json
observed 2d921577fb253e89e29afde0254d9199...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.976673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013844/publication.md
observed 1e6d15b9d9e8a25772a500b8320fcfa7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:56.958212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013844/publication.txt
observed 60fb9702ce36353031da9982fde3c04a...
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.