OpenTechnical

OT-2026-000045554

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, manifold pressure sensor, sustained blow-off after 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-2026-000045554) never changes.

Identity and time

Publication numberOT-2026-000045554 · never reused
Internal UUID01a0ae7d-8f02-7421-a36d-f6b3beec9655 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045554
StatusPUBLIC

Content hashes

Canonical text52e1a6be9811d2f99c11d1e30f73483901f953f8644e8ee80b2d2c9057dd6129
Markdownde940c8d2080650fbc57caf5e0c1cbb2e95e78c8ed8c43b75ea9c3200dfaccbc
PDF
Publication pageafc291a9dedd7fd64d2d8efaaef9ad233ab44eaf75a677c5c731b1ca55dc54b3
Manifest727be966e8eb945ebdd0a84fdaca42788ef51df677884f94c7475d0fe420983d

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
Signaturef1eo9lPjuHITgkX8p8itDqhGaaL7CY6nxujkfdyA8vH9zHpHbIzCGZlIAA10uOVv74RWFhwkn0AjAgxfaJdIAA==
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

2026-09-17T11:09:18.586688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045554
observed afc291a9dedd7fd64d2d8efaaef9ad23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.567730ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045554/manifest.json
observed 727be966e8eb945ebdd0a84fdaca4278...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.548386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045554/publication.md
observed de940c8d2080650fbc57caf5e0c1cbb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:18.523711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045554/publication.txt
observed 52e1a6be9811d2f99c11d1e30f734839...
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.