OpenTechnical

OT-2026-000095122

Publication integrity record

Three cup vacuum gripper, three zone face, plant vacuum fed, 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-2026-000095122) never changes.

Identity and time

Publication numberOT-2026-000095122 · never reused
Internal UUID01a0ae9f-8f6e-7df2-b310-f6936f845d34 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095122
StatusPUBLIC

Content hashes

Canonical textf7bd3707e3cdede6789de1b1d56b7c01bf4d2ed1be37bb2ed6ad809c9db31649
Markdown5b4797444f935df47e3cc61ff3d085e1c539b16768798e0a4cb539c275be0d53
PDF
Publication page9ae41e417c2251387c941fc8fcfb69d5bbb5c703df23e00bc3c32d0defaabb65
Manifestdf3ea418886169c7895ac0abd421565bc31a7ed047ae73c64e34eae233b5de9e

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
SignatureptDXnBR6YRPxjTPhPHOOmYODVX8lQrpQk9fY5hYW4kZmly8LuH8GDkTEuNewgMwDMBf3e9CE93ig2YEy7/fZBQ==
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

2026-09-17T09:36:25.022727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095122
observed 9ae41e417c2251387c941fc8fcfb69d5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:25.005656ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095122/manifest.json
observed df3ea418886169c7895ac0abd421565b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.988505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095122/publication.md
observed 5b4797444f935df47e3cc61ff3d085e1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:24.968903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095122/publication.txt
observed f7bd3707e3cdede6789de1b1d56b7c01...
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.