OpenTechnical

OT-2026-000030359

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump 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-2026-000030359) never changes.

Identity and time

Publication numberOT-2026-000030359 · never reused
Internal UUID01a0ae73-e501-77c0-99bb-7e8c4676acf6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030359
StatusPUBLIC

Content hashes

Canonical text1d195ff4f729abfec3fa7d71a1c9d010b27fdbc6822479a131d623878b22d100
Markdown627e7a993c54fbdcc23c56b9d9978c87c0dc168aaf3a999fac0a3c4917ab6b75
PDF
Publication page154de24403fe843f5e1bbb418f8619c2bc9500a79bcc8c1643e6a6b89ddf478e
Manifest0eebbfb2a35c1d7eac446daf1260948c5fa12c24c7c19f4fdd10089db0314d02

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
Signaturem+XH/QhYgJ/AhLm9G6mnPZmDkMXVxQxr3Xn5ffOO6SRq1xzp0qHgZUw3J3CnRd+r29px2MJ6VQ6gVU67TmNIDA==
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

2026-09-17T11:38:04.683479ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030359
observed 154de24403fe843f5e1bbb418f8619c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.666094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030359/manifest.json
observed 0eebbfb2a35c1d7eac446daf1260948c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.647794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030359/publication.md
observed 627e7a993c54fbdcc23c56b9d9978c87...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:04.629009ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030359/publication.txt
observed 1d195ff4f729abfec3fa7d71a1c9d010...
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.