OpenTechnical

OT-2026-000074722

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented 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-2026-000074722) never changes.

Identity and time

Publication numberOT-2026-000074722 · never reused
Internal UUID01a0ae93-ac2b-76f7-8f46-e61e7d9669e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074722
StatusPUBLIC

Content hashes

Canonical text27d2d9bbab0b01ae5d1b5ba5fd4f5e5481293adeaefde818950dc15d13cb3bd5
Markdownd14997e615c68442813054ca1bdf2ae9576b5b3eecdf9ff8171491c0dda771ba
PDF
Publication page7f4e26836ff806fcfb15558327a9e06658d4dc8f8a87900149e81ab85f277435
Manifest53accbca1e9150dd27eaf82b12a0d56bdd7e652ab429da9b1cb320e91036e705

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
SignatureoqKQ1rZcQ8jA/Ne0X9B/GXhAxNylktTjWYd1FbayDJSUuOa/WVspYWHb9J+cXm0qBmqMeZwXamr5xBSmeJsRBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:19.208722ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074722
observed 7f4e26836ff806fcfb15558327a9e066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:19.190223ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074722/manifest.json
observed 53accbca1e9150dd27eaf82b12a0d56b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:19.169485ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074722/publication.md
observed d14997e615c68442813054ca1bdf2ae9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:19.150790ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074722/publication.txt
observed 27d2d9bbab0b01ae5d1b5ba5fd4f5e54...
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.