OpenTechnical

OT-2026-000033543

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000033543) never changes.

Identity and time

Publication numberOT-2026-000033543 · never reused
Internal UUID01a0ae75-a38e-7dd5-a971-58f6d5fc08e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033543
StatusPUBLIC

Content hashes

Canonical text29e9230e244e3ae804bf82ed59d7a4af7ca1480486d75583d6e3bb84a4bd5835
Markdown91b4bc70fe4a72ad92e530cccb0a430a1559b74922dbf798909daa1a7410af81
PDF
Publication page131c4faf75f66e9f4630173dd47956994a5feb23d71c8d9e7c0a2cb512cc2a33
Manifestb82fa56850dc04cb2ee5033bb6d384ce87cc503170c8a06899e610c6dc7530a6

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
SignaturelI+gZ/1NOukfdSaIk41gVTNOm9DErLBsF+DE9pZTeBimuizf7e53CpGzEqyh/jaoq7QqSkhUh4c5ziDN2tadDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:24.316778ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033543
observed 131c4faf75f66e9f4630173dd4795699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.299479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033543/manifest.json
observed b82fa56850dc04cb2ee5033bb6d384ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.283029ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033543/publication.md
observed 91b4bc70fe4a72ad92e530cccb0a430a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:24.262392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033543/publication.txt
observed 29e9230e244e3ae804bf82ed59d7a4af...
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.