OpenTechnical

OT-2026-000091250

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, plant vacuum fed, 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-2026-000091250) never changes.

Identity and time

Publication numberOT-2026-000091250 · never reused
Internal UUID01a0ae9c-f16c-7564-9df2-1db873434245 · 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-2026-000091250
StatusPUBLIC

Content hashes

Canonical texte206daec27b3a338b11a9284b577621cc1a3980bcd84b330e062ade3c536815e
Markdowna0b90dbbbb9de34771c05919a12e9dff49e453b0f282485dc4907fba0706d50a
PDF
Publication page93cb18dc21391ddbbf74abaa35b6aed31feaab6c60b3b6c0f9dfc7e8c3d80e84
Manifeste9dd45eae5e8a206dcf7a2cda5110c0cf208c5caee466492ed7043d81de48542

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
SignatureWt7omhpl1iPJcJsEaqfNMNx/cR/14Uw26luHDLUS7AyDyK9B13YFTfazxbybjRFPHGZZqyFAFj5xWYy7IDPpAw==
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

2026-09-17T09:43:25.567452ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091250
observed 93cb18dc21391ddbbf74abaa35b6aed3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.551685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091250/manifest.json
observed e9dd45eae5e8a206dcf7a2cda5110c0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.533335ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091250/publication.md
observed a0b90dbbbb9de34771c05919a12e9dff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:25.517022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091250/publication.txt
observed e206daec27b3a338b11a9284b577621c...
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.