OpenTechnical

OT-2026-000076599

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, pump fed, pressure sensor per zone, 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-2026-000076599) never changes.

Identity and time

Publication numberOT-2026-000076599 · never reused
Internal UUID01a0ae94-b06e-74d8-be79-ab34beeb6c4d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076599
StatusPUBLIC

Content hashes

Canonical text0c57877e1170a22237139ed983c7845c31999ba75043fac112035dbd27e88200
Markdown373db30aefdec281e9b0a4619a6c024035f255c7659a234bc9792b9ce5cb0162
PDF
Publication pagefc5dc728a5945cd28221e46ec78c1105a02cb2c13946cc3023228d25ebe011a4
Manifeste146c2c6db8a17391f345ae739581e9091de02a186edf9c46749da1c45ff54f3

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
SignaturebCENOxCal9HTTerh/ooCZ0GkBvDiEYHvXWaQoVMhnauj4qDUSg0mbmncowWPXUMsYXnTpF7LjAqUxPamA6G+Cw==
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

2026-09-17T10:09:19.352268ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076599
observed fc5dc728a5945cd28221e46ec78c1105...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.336098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076599/manifest.json
observed e146c2c6db8a17391f345ae739581e90...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.318831ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076599/publication.md
observed 373db30aefdec281e9b0a4619a6c0240...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:19.300431ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076599/publication.txt
observed 0c57877e1170a22237139ed983c7845c...
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.