OpenTechnical

OT-2026-000067931

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, pulsed 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-2026-000067931) never changes.

Identity and time

Publication numberOT-2026-000067931 · never reused
Internal UUID01a0ae8f-c4fd-7d24-afb0-8a7cb12b566f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067931
StatusPUBLIC

Content hashes

Canonical text34fcd3b54d007f07bde629b3897baa1ed72043a9f2a3f9bfe9e9fa32ad11d57a
Markdown4ac53aa198baedf741a11fdda1b2e3536614b051044ad44e808180b12110d190
PDF
Publication pagececa024d10a5369c9923e85c64306ab94f74f531186d342e774aacedefe53f91
Manifest3fb53a64c190982db1cd729861060f742c615bb8bf5fac1638c38baf32bb8390

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
Signature83gaQperNtFXJztL9Mfmnf4Ytze76wgfltc6m9I2leLqadVyiGcPooL5UhJwZTDpcKy6zLucJITLwgH9MyhFCg==
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

2026-09-17T10:30:20.598455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067931
observed ceca024d10a5369c9923e85c64306ab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.580207ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067931/manifest.json
observed 3fb53a64c190982db1cd729861060f74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.561464ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067931/publication.md
observed 4ac53aa198baedf741a11fdda1b2e353...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:20.541711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067931/publication.txt
observed 34fcd3b54d007f07bde629b3897baa1e...
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.