OpenTechnical

OT-2026-000011754

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, pulsed 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-2026-000011754) never changes.

Identity and time

Publication numberOT-2026-000011754 · never reused
Internal UUID01a0ae6d-1940-7cee-93e9-4154fbef1380 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:00.631271Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000011754
StatusPUBLIC

Content hashes

Canonical text2e4287879592f4793ecc087dfff3733ec43b81e6f193aeb3f136cc66b793bf7c
Markdown7831e8e978f4888004936e21350b075527c5bb140e4c1e09ba2d2322c15b9624
PDF
Publication page031029574e1217aef44e61fce34df74b8a96581fc216f0b2f9de88ed3044f1ff
Manifestb644c38f84fe4b809137db9be53d7be6a339e6908811361c4ea6549d2887fe85

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
SignatureXDrugo3MrdL2IGM9/FRTS/NRNENZW+BEAeTkEt/IPanODmIsaU2Q5oYNgtMW+Z08NKUOkWHz7RmzUGzsNSE2BA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:12:27.755977ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011754
observed 031029574e1217aef44e61fce34df74b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.736434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011754/manifest.json
observed b644c38f84fe4b809137db9be53d7be6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.717558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011754/publication.md
observed 7831e8e978f4888004936e21350b0755...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:12:27.690734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000011754/publication.txt
observed 2e4287879592f4793ecc087dfff3733e...
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.