OpenTechnical

OT-2026-000097509

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000097509) never changes.

Identity and time

Publication numberOT-2026-000097509 · never reused
Internal UUID01a0aea1-55b4-7df1-9790-aa4d7f97efba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097509
StatusPUBLIC

Content hashes

Canonical text15aaeccd99fd20759296e24497814f3ffda038e0da214bf670827fcc9cb18f43
Markdownf979fb37fcf4d19a8f4b6810daf7117609954f2b734e07ecdce24a2e58baca7b
PDF
Publication page93c6b0e386d95d95323afd524ca9bc30aa8bd5ce267784ebb3c29f876cc63f5d
Manifest1585ed58b45186907996fdfad86206fdc21bb61a46bd2304a6d19f1cb4e3ea10

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
SignaturewI9rCUF7pbaRGAaorsGBOgCJy/9B5+TpWgVahJDjVnTH5l0HdE2eQH6ZB0VIcIeD0iXvLsd3LftLLSkIfIUaAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:33:23.141015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097509
observed 93c6b0e386d95d95323afd524ca9bc30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.122926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097509/manifest.json
observed 1585ed58b45186907996fdfad86206fd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.105339ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097509/publication.md
observed f979fb37fcf4d19a8f4b6810daf71176...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:23.086981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097509/publication.txt
observed 15aaeccd99fd20759296e24497814f3f...
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.