OpenTechnical

OT-2026-000104241

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000104241) never changes.

Identity and time

Publication numberOT-2026-000104241 · never reused
Internal UUID01a0aea5-3420-75d4-ac18-72156ac0d37c · 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-2026-000104241
StatusPUBLIC

Content hashes

Canonical text61d41d33b40d544690e15ce47c709dad46d0aa5f109eea6085b4ca72840c44ed
Markdowncea0837362c3251bfab72f038bf364c87f7a439b588f2bb071de73a8dc12aa90
PDF
Publication pagec128ba0497a0d960e36e4976bb157af3d4d60cee9e56e047a085bcbff811e49e
Manifest4d1b4a3630c5ebbbf9f90f4836fbfe9c7cfaeece94969cc6d0854f17f049bb10

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
SignatureUKmZgooQdzLFqdtZIyb5j8nT3/Cy+GsZki+C9p8x5HqC0I1ZAYcIJ7wYi3B5uJyvsVjxo2BTMYxLHcM1PyZdDQ==
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

2026-09-17T09:20:21.018033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104241
observed c128ba0497a0d960e36e4976bb157af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.999702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104241/manifest.json
observed 4d1b4a3630c5ebbbf9f90f4836fbfe9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.982058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104241/publication.md
observed cea0837362c3251bfab72f038bf364c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:20.964320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104241/publication.txt
observed 61d41d33b40d544690e15ce47c709dad...
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.