OpenTechnical

OT-2026-000006389

Publication integrity record

Bellows cup vacuum gripper, four zone face, ejector fed, contact triggered, plastic cups, 1 fold

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-2026-000006389) never changes.

Identity and time

Publication numberOT-2026-000006389 · never reused
Internal UUID01a0a959-48c0-75bd-95e7-2f4d852fd004 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:33:15.970965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006389
StatusPUBLIC

Content hashes

Canonical texta847ccad9c5a2fda44f25146790ba4da858d0254a065459b55a50457aa89627c
Markdowna1cab3456128d59c7aa54231be0ac2bc3505cf2872ded458a0a5f552a15bd71a
PDF
Publication page46dd22a93f210fa24103115ba6dc526c70d7c49c8808373accd756ea0e841e5a
Manifest34facddabe9ed131b812dc75f60e46c4442a56e6289458da882f935d703af97d

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
SignatureZ/AJq11Qu0VQCzbi7ttxNwvdvxwkWi3GsaJUU16l2f3isTVNxV0GWb3NZvnMzl/SNeVJHpPWTgvs42sJbS27DA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:47:03Z
batch OT-TS-2026-W38-013 · RFC 3161 token · inclusion proof
root e368e9c5ab06dc5cb1b0682dd54c11f5...

Independent retrieval

2026-09-16T08:40:23.241116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006389
observed 46dd22a93f210fa24103115ba6dc526c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.226436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006389/manifest.json
observed 34facddabe9ed131b812dc75f60e46c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.212721ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006389/publication.md
observed a1cab3456128d59c7aa54231be0ac2bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:40:23.197813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006389/publication.txt
observed a847ccad9c5a2fda44f25146790ba4da...
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.