OpenTechnical

OT-2026-000064283

Publication integrity record

Foam pad vacuum gripper, three zone face, two stage ejector, pressure sensor per zone, 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-2026-000064283) never changes.

Identity and time

Publication numberOT-2026-000064283 · never reused
Internal UUID01a0ae8d-a460-7adb-8c1e-7b66aa82be9b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064283
StatusPUBLIC

Content hashes

Canonical text28bd0bfb71e19edaa499dda040dbe98bfc2ea0bace254fd55f483b3b5ac91b81
Markdown00ed63806c82322fa1125cbb989795c58cdd5c759a9203862f288dcf15713c46
PDF
Publication paged2c513309fccc23206d52d9d95edecace0fc2e8ea3d09f0f1150f2502654bc26
Manifest69a3e40c2a30f11e15ca9349e339f2f0f0d2a0b49021c2e5abaf4647d0cb61f8

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
SignaturehJC5Taz/SAapN2J3dtfIxRirtCU6AP2jd/jYHvYHZitEge3r5vEXP+LMMpm13qb6YG2OHpcufvkToTTu1aueCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:36:25.469004ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064283
observed d2c513309fccc23206d52d9d95edecac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.449116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064283/manifest.json
observed 69a3e40c2a30f11e15ca9349e339f2f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.428640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064283/publication.md
observed 00ed63806c82322fa1125cbb989795c5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.409776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064283/publication.txt
observed 28bd0bfb71e19edaa499dda040dbe98b...
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.