OpenTechnical

OT-2026-000038643

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000038643) never changes.

Identity and time

Publication numberOT-2026-000038643 · never reused
Internal UUID01a0ae78-2d55-74b8-ac2b-d4762a50044b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038643
StatusPUBLIC

Content hashes

Canonical text8fc836eb14318e7e2df531d163e78d876d6f758cfcf853f59a6930dd662e9628
Markdown8df3a51865496918c0155d745e32b94398a8dbce33af00b68f3324910884d49e
PDF
Publication page205983b8503aec88228ead6adc550b3f5b8c755742c6ba3eb64c51ff6f13325c
Manifest94faef78dd29f30e91c481847473c85008d413b49c32ae2f9c94f1ff1ef666ea

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
Signaturecduk1kcTOaexXkHWnZFeyTZOge/wZllC9h+eCcxfKyYl1PgnwK7lAlk3OOBscv/ZhRoPz7Z+RIB3dzwO5a35AA==
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

2026-09-17T11:22:56.394745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038643
observed 205983b8503aec88228ead6adc550b3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.377835ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038643/manifest.json
observed 94faef78dd29f30e91c481847473c850...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.359405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038643/publication.md
observed 8df3a51865496918c0155d745e32b943...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:56.339201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038643/publication.txt
observed 8fc836eb14318e7e2df531d163e78d87...
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.