OpenTechnical

OT-2026-000087879

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, single stage ejector, supply line pressure sensor, sustained 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-2026-000087879) never changes.

Identity and time

Publication numberOT-2026-000087879 · never reused
Internal UUID01a0ae9b-1aa5-7b7f-a74b-54df5233e507 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087879
StatusPUBLIC

Content hashes

Canonical text407f09c11dc9b8b6347b7bc8e7771cd50e32777150ab5c94b53da26763a302e8
Markdownce33fc6cc3b1837d43b9901b182a56aafa5058f98fa291e4eee0379101a14a9b
PDF
Publication page9c4e290044b0e984c0ba567b3d644851ed0610f707b48ac415f637dff01ed1fb
Manifest8c014648561a3aecbf292be02a910a7c01401a0cee414bea2fb450244a130c4f

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
Signatureb/m9ut4ZGJ3jm42TGgjAExZByKYr5lOIDkaVYwF0KRZmu37U6Ij5NC/Q1K6Dhvdg1I74QKmcMzBb0zO2+TJ4Cg==
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

2026-09-17T09:49:08.674500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087879
observed 9c4e290044b0e984c0ba567b3d644851...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.655669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087879/manifest.json
observed 8c014648561a3aecbf292be02a910a7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.636664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087879/publication.md
observed ce33fc6cc3b1837d43b9901b182a56aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:49:08.618331ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087879/publication.txt
observed 407f09c11dc9b8b6347b7bc8e7771cd5...
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.