OpenTechnical

OT-2026-000083167

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000083167) never changes.

Identity and time

Publication numberOT-2026-000083167 · never reused
Internal UUID01a0ae97-c962-76b8-8bbb-222d70216a84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083167
StatusPUBLIC

Content hashes

Canonical text44daaf35b4d02ddb5848a2d46c50031f47ea354a09ceb9b06501d0775c536f73
Markdown8490d327cc59bfeaf2da420ed6d4745063fac2b6dbb86552e070917b4edd7909
PDF
Publication page221c9742fd0c893a95b2c7bf2fa25051a281d69de62ba7169270b038ebd36e5f
Manifestfa358029eeea966eb0aada1055fd34442320aa55b38a6f3d942adc5a71900658

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
SignatureQe1dmx6uBjqalZbFc+RxummCW4ZjKNZdO4x/t7YfDKKUaPeaw4APUK9+frMLL1iBUZtXyNesJu3zPFo0AuNzBw==
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

2026-09-17T09:00:56.318680ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083167
observed 221c9742fd0c893a95b2c7bf2fa25051...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.177339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083167/manifest.json
observed fa358029eeea966eb0aada1055fd3444...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.157167ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083167/publication.md
observed 8490d327cc59bfeaf2da420ed6d47450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:00:56.136665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083167/publication.txt
observed 44daaf35b4d02ddb5848a2d46c50031f...
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.