OpenTechnical

OT-2026-000079263

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, plant vacuum fed, 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-2026-000079263) never changes.

Identity and time

Publication numberOT-2026-000079263 · never reused
Internal UUID01a0ae96-0b90-7f5c-a053-a847ed5b7bee · 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-2026-000079263
StatusPUBLIC

Content hashes

Canonical text130c1fd211a22e530437cc8eed9a2170c746c8ae74ebbbaaecba0d122db2059d
Markdownc4905e8baed808a8862c7c0c9e03f90e033c9d18eb6131db99608e61958acef9
PDF
Publication paged42f458af577b0cadb28b03bf010124fced6cee4ca7cec5f4e4d9c61ee951700
Manifest70e99b26c2045274b2eb61521ec7f0a5bbfa1f5461cbedca84a86cb89491000d

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
Signature769dJDAQrLESNU3+SFkzD/OnssOjz6ANiWZ6q6gNrdlwxbCmmLqSiwiU7za6cRBV+F+aLAQM8vxzWYAu1ixTAg==
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

2026-09-17T10:04:51.767124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079263
observed d42f458af577b0cadb28b03bf010124f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.747632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079263/manifest.json
observed 70e99b26c2045274b2eb61521ec7f0a5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.730033ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079263/publication.md
observed c4905e8baed808a8862c7c0c9e03f90e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:04:51.710877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079263/publication.txt
observed 130c1fd211a22e530437cc8eed9a2170...
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.