OpenTechnical

OT-2026-000083775

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, three stage ejector, 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-2026-000083775) never changes.

Identity and time

Publication numberOT-2026-000083775 · never reused
Internal UUID01a0ae98-0417-7e5f-a219-e679fe95e6cb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:53.320528Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083775
StatusPUBLIC

Content hashes

Canonical text3ad64190165033afef9d35aef7a10574ba2d54d7becf998e390330a1a6219520
Markdownb4f29ff1c975769f57302f1595c79abde9c75ab94ade97e831155bd3f7676f54
PDF
Publication page096861f54622b47ae24e3463dfc0a8ca341c80d01d6d1321959cffc2439f7df3
Manifestee1386098676b44452ba82b6f701944f70d582b54919a04f3db37b3856c6e608

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
SignatureB3G2OLeNSodubDFflVcHWYtwvmcDN49S0Dlyzyc1M8BUTA5MlY+z6+ex2JA7FPxrU66L3MuDuTW0nTgg1kNlDw==
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

2026-09-17T09:57:25.091804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083775
observed 096861f54622b47ae24e3463dfc0a8ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.073379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083775/manifest.json
observed ee1386098676b44452ba82b6f701944f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.055336ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083775/publication.md
observed b4f29ff1c975769f57302f1595c79abd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:25.037772ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083775/publication.txt
observed 3ad64190165033afef9d35aef7a10574...
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.