OpenTechnical

OT-2026-000079169

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, single stage ejector, pressure sensor per zone, 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-2026-000079169) never changes.

Identity and time

Publication numberOT-2026-000079169 · never reused
Internal UUID01a0ae96-0b8f-746b-9fdc-1394e00fa032 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:44.101434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079169
StatusPUBLIC

Content hashes

Canonical textfa05e4c3deae47c85a7ff4d6b90713bfaa81f2cee66407af7a8aa83f527c347b
Markdownf5184bedb151deebcd4ac3c88ea83f810ac964f76098f70430a674e337a57b25
PDF
Publication paged69f85298887460a53e19603e21b25b3931ea82145af8b2f0d49e8126881a951
Manifestca62b63e220888267d5f6752c964c7972adb3dc18e8ad8f5317f30e64e7ba557

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
SignatureCBepy2c2J3p57k3qXMQxS4Op8eSxu476vNJKe1g8FJprijmkkmyE8992hkQNJyoKWs9TYr862b0xaUV2DyPaBA==
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

2026-09-17T10:04:45.655873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079169
observed d69f85298887460a53e19603e21b25b3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.637476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079169/manifest.json
observed ca62b63e220888267d5f6752c964c797...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.619019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079169/publication.md
observed f5184bedb151deebcd4ac3c88ea83f81...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:45.602734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079169/publication.txt
observed fa05e4c3deae47c85a7ff4d6b90713bf...
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.