OpenTechnical

OT-2026-000097748

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, two stage ejector, supply line pressure sensor, 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-2026-000097748) never changes.

Identity and time

Publication numberOT-2026-000097748 · never reused
Internal UUID01a0aea1-92f5-7bdc-980c-e9015c74eb04 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097748
StatusPUBLIC

Content hashes

Canonical text28f11625a08391a6b6c7e388720aa98da866ee37c0a28c9da0ddc06af9e6cefe
Markdown8289ed02ecda4b0077285a925c5819a59f4a475994d90b24b93709fa82b5b35a
PDF
Publication pageea8c5c22de9007bed8c9100e6269c9f48b9ad83e828faed847cc8c74149a19aa
Manifest9cc2e4a682ff1ef6585c7a12e7e440fb7f4bca31d082b1520451f53dc4588862

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
SignatureoHHjETRKo9iRR/9vjPMjvmnkHj7OfwfXzOtKcpoks3MkXVLiGcxK6/x2aAE1sw8bWo52AfVK2tf4Efbn0J3JAA==
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

2026-09-17T09:32:48.314388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097748
observed ea8c5c22de9007bed8c9100e6269c9f4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.288931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097748/manifest.json
observed 9cc2e4a682ff1ef6585c7a12e7e440fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.251103ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097748/publication.md
observed 8289ed02ecda4b0077285a925c5819a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:32:48.223134ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097748/publication.txt
observed 28f11625a08391a6b6c7e388720aa98d...
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.