OpenTechnical

OT-2026-000069185

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two 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-2026-000069185) never changes.

Identity and time

Publication numberOT-2026-000069185 · never reused
Internal UUID01a0ae90-6dcf-7075-8351-74f1b1b6aed9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069185
StatusPUBLIC

Content hashes

Canonical text8ba9445d090998e724f6d0d76df9fb28e416aeb624fa0625970b44f4d3a15fda
Markdowna53f7de97be56560649c126cd158920de55123b72d542d3b4b5e12a7a345b6cd
PDF
Publication page8d4499e6f879d6447c94c65f5ad8e579b1534bd547bacbb772731bc07d53d8df
Manifestfad3209f6a87e2a94d8531ebacf544941cb01863466731c7efab06d4fd7f4b01

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
Signature2snOWFUYvKMSJK4Vud4x5JnPF9ADzUtSvfnCb/eiHFH5ZTWNk+O844W6qW01foWiepFxETncTdE0HD1ygnNwCw==
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

2026-09-17T10:29:04.842355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069185
observed 8d4499e6f879d6447c94c65f5ad8e579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.822687ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069185/manifest.json
observed fad3209f6a87e2a94d8531ebacf54494...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.803597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069185/publication.md
observed a53f7de97be56560649c126cd158920d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:04.786936ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069185/publication.txt
observed 8ba9445d090998e724f6d0d76df9fb28...
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.