OpenTechnical

OT-2026-000104095

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, pump fed, pulsed blow-off 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-2026-000104095) never changes.

Identity and time

Publication numberOT-2026-000104095 · never reused
Internal UUID01a0aea5-341f-7d15-b0fb-1c9e7cf18ebf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104095
StatusPUBLIC

Content hashes

Canonical textaf6b852022681112498b3eb2ece033d8c7cfe3a7d6babf45483ad21fdf204cd5
Markdownd90640ca0f1b6af554f1a714f1e833d35c6f68544d063f443638a16d00de5c1a
PDF
Publication page928d004758585c7859a16f7fefe5ded9f0e02a4821fb349ba9d99c722e1fde08
Manifest75323282771bb25311e0360020df7cd215b08819edee1abbf803286dd11004fe

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
Signatureq9T1L4K/RSLepAcu94CKvCE/gWz+eytXzlNL1u4TjYxPPdnkXKgf0zrrMGvXbeb7CzEx6DqTi7/kYo04Aq6gBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:09.966417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104095
observed 928d004758585c7859a16f7fefe5ded9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.949018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104095/manifest.json
observed 75323282771bb25311e0360020df7cd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.931614ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104095/publication.md
observed d90640ca0f1b6af554f1a714f1e833d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:09.913102ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104095/publication.txt
observed af6b852022681112498b3eb2ece033d8...
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.