OpenTechnical

OT-2026-000087751

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, two 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-2026-000087751) never changes.

Identity and time

Publication numberOT-2026-000087751 · never reused
Internal UUID01a0ae9a-cd55-75e9-9bbf-bef01106c4b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087751
StatusPUBLIC

Content hashes

Canonical texta9197252e393e20b6481299b64555502c8de9e093c4938fcf0dc8a15ca676756
Markdown68daede08f42a59071c86ee05568a9870cb652c5c7f9e7fa19e40adb1cf0d00a
PDF
Publication pageefaae31cbebf799bdcdbb719a901a4f12f65c7b7820e803acd9eff7308d933ed
Manifesta559a9cf699fd207248dcb406c218b75a996f7367f1d4d306406079807fe3d15

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
SignaturevaI9SDy3RtIBCX84K1T2M2pwURQVdCvUpgjghwss2ys7ONQNG/8rfkaPr1/mX5wD2lvdZhpacGpoG9HBOW42Dg==
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

2026-09-17T09:51:12.445513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087751
observed efaae31cbebf799bdcdbb719a901a4f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.431277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087751/manifest.json
observed a559a9cf699fd207248dcb406c218b75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.416473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087751/publication.md
observed 68daede08f42a59071c86ee05568a987...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:12.401674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087751/publication.txt
observed a9197252e393e20b6481299b64555502...
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.