OpenTechnical

OT-2026-000078635

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pressure sensor per zone, pulsed blow-off before set-down

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-2026-000078635) never changes.

Identity and time

Publication numberOT-2026-000078635 · never reused
Internal UUID01a0ae95-7c2a-77c3-93a2-0a4bbf7ee1d2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:07.483031Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078635
StatusPUBLIC

Content hashes

Canonical text763cb00b1a7a0c453e3cf75d3e8b9ac8759fec576997dabcfe32084b2ba86915
Markdownde92d84f93022c31ed3bac02d6c4e8f406e54b04bbef3546a9dc3a2f2c967d9a
PDF
Publication pageb2d694717e0a231488f23b6b2f6775327b9b69ffdf002579f62bf51b014183b9
Manifest79d6282b6c327936b127ebf88c0819bf9fc4469350af1814d456c4a0a27b441e

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
SignatureCSE8ghTvbhdbDq30vFWZUQtGDIbXvYgjHrtz3MKEYB4HZ5EcYfYcQ/cx5+F36MIJ1jZUfn1jUOfF5lTV6GKGCg==
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

2026-09-17T10:06:40.513513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078635
observed b2d694717e0a231488f23b6b2f677532...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.495104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078635/manifest.json
observed 79d6282b6c327936b127ebf88c0819bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.476671ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078635/publication.md
observed de92d84f93022c31ed3bac02d6c4e8f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:06:40.458950ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078635/publication.txt
observed 763cb00b1a7a0c453e3cf75d3e8b9ac8...
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.