OpenTechnical

OT-2026-000005692

Publication integrity record

Vacuum cup gripper, per zone isolation, two outlet manifold, ejector fed, contact triggered, polyurethane cups

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-2026-000005692) never changes.

Identity and time

Publication numberOT-2026-000005692 · never reused
Internal UUID01a0a941-a00d-7b29-a542-e01528b1890f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:07:25.456877Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000005692
StatusPUBLIC

Content hashes

Canonical texte223f4742cd646d82cd0aad3fa28878a450753c39b8ae679e7908904669a8062
Markdownf40d1023f7d86110b2831859dd2e754a8b0f8c1c6debb3300931a17314a793c1
PDF
Publication page5d1d2ff47ff7e8ecde78e9500a85873804fb07b425a9b82ed55fe3e786eb7c5d
Manifest33ac22bb0679e157b3c1ddd83309e5f36c2fef4a383b9699268c3374e1501da2

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
Signaturez8Vt25As7OvuajouAhn8ZWq1CQaQn4fjILoMEhvXOfxTmps7n3nXk5aJ+OabQD+Toy0nn3DKoy/a6yzP3R6WCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:10:11.153183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005692
observed 5d1d2ff47ff7e8ecde78e9500a858738...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.138545ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005692/manifest.json
observed 33ac22bb0679e157b3c1ddd83309e5f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:11.122926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005692/publication.md
observed f40d1023f7d86110b2831859dd2e754a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:10.993303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000005692/publication.txt
observed e223f4742cd646d82cd0aad3fa28878a...
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.