OpenTechnical

OT-2026-000079361

Publication integrity record

Foam pad vacuum gripper, two zone face, single stage ejector, 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-2026-000079361) never changes.

Identity and time

Publication numberOT-2026-000079361 · never reused
Internal UUID01a0ae96-0b90-71c8-850e-cdf4649e59ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079361
StatusPUBLIC

Content hashes

Canonical text36f00ee9de9609527c7d3db0c40bf943faad0cda9f39acb417a45db57414d9d0
Markdown80239d5e8ab93a7e821446985122cdb0cecc8b87623dc5a1b261e0a6d082e349
PDF
Publication page44558b684b5a4ced06447b143c3ae29ace13e2b0292c4ed08e5771742f75f3e7
Manifest73381795482d190248ce5c4a2c67aeccd81bd2d7c95cd33a7e7b88bf085cc9bb

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
SignatureSc0yI+WPEH3jJV1+3b8q6ssr7RaHTuVVxZcvYmngvaW/Vvi1Pj5/Kp9XTRMgIxv4j5FBgCb8ibGUREgQdl+LAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:04:58.793806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079361
observed 44558b684b5a4ced06447b143c3ae29a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.776393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079361/manifest.json
observed 73381795482d190248ce5c4a2c67aecc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.759152ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079361/publication.md
observed 80239d5e8ab93a7e821446985122cdb0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:58.716530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079361/publication.txt
observed 36f00ee9de9609527c7d3db0c40bf943...
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.