OpenTechnical

OT-2026-000037807

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, 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-2026-000037807) never changes.

Identity and time

Publication numberOT-2026-000037807 · never reused
Internal UUID01a0ae77-f889-75b6-9acc-f1390e1a1bf7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037807
StatusPUBLIC

Content hashes

Canonical texta5b3cb0854f12f283189da46be59f6f401f628baa6bbea9c8d751a5ea1bd567b
Markdown149751e194972f491184bdf7e19f12b54a97af19fd1849065cff1d86cb840466
PDF
Publication page20c5d45722e3d153669a8e6e051d507f0afb118957454ed2a178ccca78143ea6
Manifestcd4626676ebcb27975706de11380247781edfbf6cd53eb85071f93b834dc6280

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
SignatureqdU9cExW09Sqpk39mzQDP5pshBuIW5pxbLvYryH/NQt3NCZfct5cMKsCCi9r4T7lUZovzEpahIZ+G815Et1cCw==
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

2026-09-17T11:23:03.242747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037807
observed 20c5d45722e3d153669a8e6e051d507f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.224111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037807/manifest.json
observed cd4626676ebcb27975706de113802477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.206797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037807/publication.md
observed 149751e194972f491184bdf7e19f12b5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.187915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037807/publication.txt
observed a5b3cb0854f12f283189da46be59f6f4...
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.