OpenTechnical

OT-2026-000035315

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, pulsed 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-2026-000035315) never changes.

Identity and time

Publication numberOT-2026-000035315 · never reused
Internal UUID01a0ae76-6a1f-73ca-babf-e72bab83f266 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035315
StatusPUBLIC

Content hashes

Canonical text0f9f68ee7de536e170d257ba9f5996e7473157e3a4ae26ccac3738517a3fd40a
Markdown7d13aecdd5f01af96b0d7ebcafad43b36804102a36316e0050e9ad967713a506
PDF
Publication page798cebdd631a8ce90fbec327ad7dfb2f894b7506562762cd7abb27e4121ca087
Manifeste42cfd239d9bbbf4c76513821e4561f0343d2921953d9e1d794e03c695779b7f

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
Signaturee0EqbafYrfOYC4a4COONVddc6EWKs46Gym9mxxYW0Z+52AiLKdwHF4W+ohXnFrT1H9oVQCpYZTE9R+3ZycepCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:28:28.706563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035315
observed 798cebdd631a8ce90fbec327ad7dfb2f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.684624ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035315/manifest.json
observed e42cfd239d9bbbf4c76513821e4561f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.663518ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035315/publication.md
observed 7d13aecdd5f01af96b0d7ebcafad43b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:28.598920ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035315/publication.txt
observed 0f9f68ee7de536e170d257ba9f5996e7...
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.