OpenTechnical

OT-2026-000069495

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, 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-2026-000069495) never changes.

Identity and time

Publication numberOT-2026-000069495 · never reused
Internal UUID01a0ae90-b52b-77c5-8a05-871c4d8134c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:54.310022Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069495
StatusPUBLIC

Content hashes

Canonical text2a396f6e1699db445669531ddbd093ac92f3f97a5be54cbf5aad771c17876833
Markdown45c176526f25b645d7583946f2297744eeb89e6aeaedaa04769650de0a501380
PDF
Publication page6e1031b177c1893494e0119d879472f5fe42526e93ddd03cb6644f3e0cf5479c
Manifest349b8d6ff843059af36840112033f575d44d540c31cd5efde7530a104ef6a39f

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
SignaturerUHHwfsTfCQ8EhZY6w+z6dSSrYT/ARhHIeDPs61qtF+RkHpk5LwoHI8oQXfdHQQOjqe3aGoVieLIa3QySLuvBw==
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

2026-09-17T10:30:34.660730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495
observed 6e1031b177c1893494e0119d879472f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.643045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/manifest.json
observed 349b8d6ff843059af36840112033f575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.617608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/publication.md
observed 45c176526f25b645d7583946f2297744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:34.599963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/publication.txt
observed 2a396f6e1699db445669531ddbd093ac...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.505693ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495
observed 6e1031b177c1893494e0119d879472f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.475949ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/manifest.json
observed 349b8d6ff843059af36840112033f575...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.370991ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/publication.md
observed 45c176526f25b645d7583946f2297744...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:07.352649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069495/publication.txt
observed 2a396f6e1699db445669531ddbd093ac...
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.