OpenTechnical

OT-2026-000091205

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, two stage ejector, pressure sensor per zone, 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-2026-000091205) never changes.

Identity and time

Publication numberOT-2026-000091205 · never reused
Internal UUID01a0ae9c-f16b-75e8-8026-55c6b17dd098 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091205
StatusPUBLIC

Content hashes

Canonical text59fddc78c7d7f2294bcf6344637e350120e006681a097de0650ffbebb168ff99
Markdownfb0535edf79484adf93d425e04df67bf62dc2adbef36fe67be85be56bc73e698
PDF
Publication page7c7bc1c375f0c336a8778a5838eed34b4a04f746bc502de5889c0fc431c135f8
Manifest3b8814fb9c214e06081f9a9cafa63320bd04210bf963b1244a950f14c71da363

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
SignatureoH5+rhTeRKgBuAikEf9dpNai5l2va10Own9yCETTya1INcBdz9A2skjSt/bq6UevvYmd5afZeBjRCbVEmZ0RBg==
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

2026-09-17T09:43:22.329183ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091205
observed 7c7bc1c375f0c336a8778a5838eed34b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.314149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091205/manifest.json
observed 3b8814fb9c214e06081f9a9cafa63320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.298439ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091205/publication.md
observed fb0535edf79484adf93d425e04df67bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:22.281306ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091205/publication.txt
observed 59fddc78c7d7f2294bcf6344637e3501...
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.