OpenTechnical

OT-2026-000042227

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, three stage ejector, manifold pressure sensor, 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-2026-000042227) never changes.

Identity and time

Publication numberOT-2026-000042227 · never reused
Internal UUID01a0ae7a-5d72-7140-b377-615986caa449 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042227
StatusPUBLIC

Content hashes

Canonical text33d52c62418527281e6f5dd22967e7b8c7448c4247c9d357a70850144e5c941c
Markdown5dfa1dffbd227ab298dcc578e18c5256b3c57c2ff8456ae7d7dd470d9eaa88b7
PDF
Publication pagedac5496f35d50e75be9894a7de3b0d8b65da14f90eef3e86ffb6d3ac8f5c7524
Manifest6d4a0e19e59573b136d5d6d6b0807f9040981ffc9c3425b6f751519bb1b640ac

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
Signature8FsWlUQ4zS7eMqBVg0R5Jay29LEIk/QqXPRZZu++Ke5ddI0OE2XwaPqypmvXwGMt0x8MGP/OQG2ORMdKG3qKCQ==
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

2026-09-17T11:15:54.179609ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042227
observed dac5496f35d50e75be9894a7de3b0d8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.162421ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042227/manifest.json
observed 6d4a0e19e59573b136d5d6d6b0807f90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.141912ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042227/publication.md
observed 5dfa1dffbd227ab298dcc578e18c5256...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:54.122088ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042227/publication.txt
observed 33d52c62418527281e6f5dd22967e7b8...
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.