OpenTechnical

OT-2026-000076458

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, manifold 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-2026-000076458) never changes.

Identity and time

Publication numberOT-2026-000076458 · never reused
Internal UUID01a0ae94-6a71-7fd7-8716-90b33fe3b160 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:57.307071Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076458
StatusPUBLIC

Content hashes

Canonical text2f1590497d39513ea6b85b2c699304d60a9049a1df1611cb9229412537a62975
Markdownbe882135128025900f92911b7381cd1a24a847b79d86d63fc40f911c8795ec84
PDF
Publication pagef38649ecbcf6497694444818415e3a5e6d867337d0419a39ea78c62626f18f88
Manifest4b7d8f155ac1d5521a81cd91db1fd5abcf021429d252968b3f62f26443235ef5

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
Signaturex5NVbMVuyH82QsUJTO9IVrteqEyjaMPs7JmCT/bBQ/Xo4kq2bBpii+f6HSs/VhcdJ5MaOU5wNOvthqoqpQvVDA==
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

2026-09-17T10:12:36.782368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076458
observed f38649ecbcf6497694444818415e3a5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.764828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076458/manifest.json
observed 4b7d8f155ac1d5521a81cd91db1fd5ab...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.747667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076458/publication.md
observed be882135128025900f92911b7381cd1a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:12:36.730569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076458/publication.txt
observed 2f1590497d39513ea6b85b2c699304d6...
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.