OpenTechnical

OT-2026-000095736

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, pressure sensor per zone, sustained 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-2026-000095736) never changes.

Identity and time

Publication numberOT-2026-000095736 · never reused
Internal UUID01a0ae9f-fac6-7058-a13d-0ca62a49bcbf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:35.161845Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095736
StatusPUBLIC

Content hashes

Canonical textc3b855699a7accf55edcc6a2f3c212b7b28e22ade0d14d3f3d898811822458d2
Markdownada5afea7f048e202388d3d87754ba7b36ed7bf0b67d04108dd783cc56e51f10
PDF
Publication page10bdf57bfbb81ae007d7ea87f98a0907f0d4376fca24545628a774f757a26101
Manifest31b31b83078d7cdd630947e5abb8eede0c257694cc47565f9fce9bb7ce2c4043

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
SignatureYAUf/4POIYXuvbEuxwYHHic2KWnTuUUV8mrz0+IEn8vwPbXvjsa2fKcbisF/O1rpLqzgSqb6tz5wXdXrfCdRCA==
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

2026-09-17T09:35:17.990905ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095736
observed 10bdf57bfbb81ae007d7ea87f98a0907...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.973304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095736/manifest.json
observed 31b31b83078d7cdd630947e5abb8eede...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.955085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095736/publication.md
observed ada5afea7f048e202388d3d87754ba7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:35:17.938091ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095736/publication.txt
observed c3b855699a7accf55edcc6a2f3c212b7...
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.