OpenTechnical

OT-2026-000085242

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, pump fed, 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-2026-000085242) never changes.

Identity and time

Publication numberOT-2026-000085242 · never reused
Internal UUID01a0ae99-43bb-7c78-8a22-5762629aa120 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085242
StatusPUBLIC

Content hashes

Canonical textfcb496f3cbc724fa76a3aca91712b798f12b67d895a4147e5c7bc9d3e0d3f086
Markdownf37e034ecf661e3335603b797ee8de911abc659de15c6d94458fe7fe7979d314
PDF
Publication page17da2a34f966bf619fdef6d2d3aa8300831742b455b2883cb977a0f53428a5c2
Manifeste6919bcbe34434651999708a9ffaad026c5cb1a3e748b47617afb70547bc1bc7

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
SignaturekOa2O7cWuZTuVgjHEvyB1oE8zouL0eqdBJLTCeEezKhZIa+AcSx7rgYqYNZnWXY/C2SGkqPipXgHASWgYXTbCg==
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

2026-09-17T09:55:20.554254ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085242
observed 17da2a34f966bf619fdef6d2d3aa8300...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.536222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085242/manifest.json
observed e6919bcbe34434651999708a9ffaad02...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.518175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085242/publication.md
observed f37e034ecf661e3335603b797ee8de91...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:20.500420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085242/publication.txt
observed fcb496f3cbc724fa76a3aca91712b798...
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.