OpenTechnical

OT-2026-000099811

Publication integrity record

Foam pad vacuum gripper, three zone face, plant vacuum fed, pressure sensor per zone, sustained 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-2026-000099811) never changes.

Identity and time

Publication numberOT-2026-000099811 · never reused
Internal UUID01a0aea2-c978-766b-80d4-92cf6df7f77c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099811
StatusPUBLIC

Content hashes

Canonical textb395b8d4c06dc8a7470201438694cc6e770728fc24d1c76b2c1016f105ef987c
Markdownd16f11d20a90714b0bdcd63b8a9a43f9de15512f9feb807a6d41fe076bdefe75
PDF
Publication page0f0895430c3fae7a039fcb5a4193415eb9c93137ad40b6650b77f7ae21ce0032
Manifestfecbb8277ac07278de4db5cb7e7310313eb5a52c3456b7aa472c1ab067152228

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
SignaturerItF7CE+dqvv0xfH48I6h8pbTe85XdkeIH3zxHp7OGgCRbFYqzPRMKaPLFPL08ytI+hu1p/2xBFIu49HDC//Bw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:51.027574ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099811
observed 0f0895430c3fae7a039fcb5a4193415e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:51.010663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099811/manifest.json
observed fecbb8277ac07278de4db5cb7e731031...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.995383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099811/publication.md
observed d16f11d20a90714b0bdcd63b8a9a43f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:50.978816ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099811/publication.txt
observed b395b8d4c06dc8a7470201438694cc6e...
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.