OpenTechnical

OT-2026-000064285

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, supply line pressure sensor, vented 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-2026-000064285) never changes.

Identity and time

Publication numberOT-2026-000064285 · never reused
Internal UUID01a0ae8d-a460-75e4-aff4-5a7e1c9950bd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064285
StatusPUBLIC

Content hashes

Canonical textfe9de7b962303cec3f54bdd589cb9b97d523d7135e215f67035357fca71bf170
Markdown6ff8b6ab908f53dfa650566f518462a233f00dd0ef8acdf04cd5d772a2374430
PDF
Publication pagee21497d5ce72b2350a8651ee68508e3f2755f590d8bb7f2f2ac788f3724d78ca
Manifestb6e83e43366218555823abd495de9642962faf1b2628657c03a99e00e15c313b

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
Signature3fXotQYDHn4NgZ2jXrdKhr9kew85UdObUNSuPl936y/SDWczEEmG4J88Ek6t5s9+LLzZpf3imXX1B3zXuJqEDQ==
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

2026-09-17T10:36:25.621145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064285
observed e21497d5ce72b2350a8651ee68508e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.602915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064285/manifest.json
observed b6e83e43366218555823abd495de9642...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.584628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064285/publication.md
observed 6ff8b6ab908f53dfa650566f518462a2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:25.566211ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064285/publication.txt
observed fe9de7b962303cec3f54bdd589cb9b97...
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.