OpenTechnical

OT-2026-000025055

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, 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-2026-000025055) never changes.

Identity and time

Publication numberOT-2026-000025055 · never reused
Internal UUID01a0ae71-2728-79f3-a55e-6d8ce2740007 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:26.329747Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025055
StatusPUBLIC

Content hashes

Canonical textfe3b920e06b741ca8db61459d97d6dda91e28e04a5a0a7da9c40c9ec4b6b8805
Markdown8ad4f723dd79591160248baa4d57b2882ae1dcbd419d708200d6ed505a57695a
PDF
Publication page80f5d5ff5eb441352758b9efb9cdd8b16e49988280199a80007ae4dc15a44329
Manifest21aef97788e3ebf9ad6424d08b9ff5571e15718c6d881222e3464086929b4fbe

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
SignatureoMYOPOy9pSLkzlgoo1DBKaIqZxAUkjw4+MC01W8bVc5NE1U4UDLDKj0rZpMHHo+8T3kjiSiOoxuTLUN9PlrtCg==
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

2026-09-17T11:48:27.810584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025055
observed 80f5d5ff5eb441352758b9efb9cdd8b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.792796ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025055/manifest.json
observed 21aef97788e3ebf9ad6424d08b9ff557...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.774520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025055/publication.md
observed 8ad4f723dd79591160248baa4d57b288...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:48:27.757853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025055/publication.txt
observed fe3b920e06b741ca8db61459d97d6dda...
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.