OpenTechnical

OT-2026-000056337

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, vented 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-2026-000056337) never changes.

Identity and time

Publication numberOT-2026-000056337 · never reused
Internal UUID01a0ae87-4bd2-7cf3-8cd6-c948b008fa9f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056337
StatusPUBLIC

Content hashes

Canonical textcacd2c28048aa2c54588d29d5db22df744237386e81790a90e00ba05d861d20b
Markdown2e39ee0547ca36267929cef89103feb017ec54a683a04f8cfdbc80e2a971629a
PDF
Publication pageecacb108e41a1e00c81d8ef269e714952aad7c9b1dbd10e66332074ec7aff118
Manifestf4e9e9fb7a4aab2b985b6c766d5c8566ae86689ad01cf1e486b17291076cb8c8

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
Signature/AMSjj5aBTzVyfOBGWyI4TM6YbrgRWW1N5xfZ5WF2209tJBWPCQzxA8haIQK/JCLsuc+Ghf1XFpOQpWnr7e5Cw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:50.677908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056337
observed ecacb108e41a1e00c81d8ef269e71495...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.661319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056337/manifest.json
observed f4e9e9fb7a4aab2b985b6c766d5c8566...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.642619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056337/publication.md
observed 2e39ee0547ca36267929cef89103feb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:50.624858ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056337/publication.txt
observed cacd2c28048aa2c54588d29d5db22df7...
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.