OpenTechnical

OT-2026-000099792

Publication integrity record

Three cup vacuum gripper, three zone face, three stage ejector, pressure sensor per zone, sustained 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-2026-000099792) never changes.

Identity and time

Publication numberOT-2026-000099792 · never reused
Internal UUID01a0aea2-c978-7925-a37c-238c150818a7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099792
StatusPUBLIC

Content hashes

Canonical textfd27d4a36358a71a3ab1e5b5ac64a1023e4abde0aa5f9ba8d8f0cdf7244daf10
Markdownaf918b0c41bbcdcd10697a3a14c237030e7843a18ddbe995a7f3dbc69becfcc5
PDF
Publication pagecb41b8d73c0f0ca5377b4a7c838d6c500387b5797ec984fd97a18f2160ef9d1a
Manifest122ec34c27b527954bf8527976a2544b35fcba66e22b3e8adfab82b228fecd46

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
SignatureB+stCHcZRJ/GNSxX4DF/UTtaTo/miPmBoqWBupmLv+jJDQJjKybK7wWE1PupXGBjxbkyKLDK6xuH+uqEaxoABQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:49.787231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099792
observed cb41b8d73c0f0ca5377b4a7c838d6c50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.771477ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099792/manifest.json
observed 122ec34c27b527954bf8527976a2544b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.753954ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099792/publication.md
observed af918b0c41bbcdcd10697a3a14c23703...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:49.736878ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099792/publication.txt
observed fd27d4a36358a71a3ab1e5b5ac64a102...
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.