OpenTechnical

OT-2026-000084816

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump fed, sustained blow-off before set-down

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-2026-000084816) never changes.

Identity and time

Publication numberOT-2026-000084816 · never reused
Internal UUID01a0ae99-43b3-7830-97b3-b62e87132d18 · 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-2026-000084816
StatusPUBLIC

Content hashes

Canonical text169b2970ec7889a40970f3f1d0b2cd734586f52122c30ebf256eebe9f2fc8b82
Markdown51b27d82594e61362c5b8cc31134246666afdd0a1c28706d457cf05d54bdda98
PDF
Publication page6814b02f0715e220e55de025c88880d4d6032b1612def9b38355488c82b6210e
Manifeste9479789b31a96fb88e7f80c8e50ea57f8eb69461435a794c0d3ccb336171c79

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
Signaturezp+Dr+2ENsETuzJvpREDB6F8GlNf4wdAlpIUeaDPHn/PHVY2JTzIzH+F6lhcYCK6G7t/Q8qAY7KURcfDLtqrDw==
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

2026-09-17T09:54:44.301783ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084816
observed 6814b02f0715e220e55de025c88880d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.283472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084816/manifest.json
observed e9479789b31a96fb88e7f80c8e50ea57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.265897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084816/publication.md
observed 51b27d82594e61362c5b8cc311342466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:44.209267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084816/publication.txt
observed 169b2970ec7889a40970f3f1d0b2cd73...
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.