OpenTechnical

OT-2026-000008199

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, two stage ejector, vented after 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-2026-000008199) never changes.

Identity and time

Publication numberOT-2026-000008199 · never reused
Internal UUID01a0ae6a-908c-7301-9fd2-d2bbef315e41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:14.564317Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008199
StatusPUBLIC

Content hashes

Canonical text380863862e4e8fec649789755aa18e8965474d9054eeb6a03fe5a05815854ebd
Markdown6588c088125d8c1001b4920a5bcef0ee81e9d2bf859b13a6078040aa316244c0
PDF
Publication page94acf57bd1a7a8d61dfb0ca95f9586c19fcf357eba18150d9d101083a299d20b
Manifest0ed60d52f4db825e12bcf59f945199dfe9493bc2b36b2d0eeada42362487e9fb

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
SignatureCvxww2TAf15PlP3SNcEKbkPRFvEzZ/EQXlZYPco42S9dvvm2rykgfH3zlTG8qnFSiVqlLHmN7oSMpoWVCZIcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:20:36.152359ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008199
observed 94acf57bd1a7a8d61dfb0ca95f9586c1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.128364ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008199/manifest.json
observed 0ed60d52f4db825e12bcf59f945199df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.101332ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008199/publication.md
observed 6588c088125d8c1001b4920a5bcef0ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:20:36.079533ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008199/publication.txt
observed 380863862e4e8fec649789755aa18e89...
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.