OpenTechnical

OT-2026-000068066

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000068066) never changes.

Identity and time

Publication numberOT-2026-000068066 · never reused
Internal UUID01a0ae8f-c4fe-7f80-8047-1c8402e723d9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:52.812402Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068066
StatusPUBLIC

Content hashes

Canonical texta64610a049a7aa83e3ae0240fd46f49eeda6309a0979ef8141ed49bfcdcb179e
Markdown324142af53cda491800d88fa4ce9e89c5ae070d47e6b678cb5cc4ff13a521a99
PDF
Publication pagead8f333dc341b88b014b50e6f079d5bb73f3919f13b6c0fbc87ef596e98aabeb
Manifeste483351883ab4c4b8160e97ab6cd05e0e21d663fba2a23bc9a862e978b3a6742

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
SignatureqhziUEjt8IHZMzGSl7f5erJnGJPO5SrdDQLmuJYFZU2W/ZVtxwPHZklZqYJlf25uiLBi0vuC8jADLDhqkkSNDw==
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

2026-09-17T10:30:39.151095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068066
observed ad8f333dc341b88b014b50e6f079d5bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.130694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068066/manifest.json
observed e483351883ab4c4b8160e97ab6cd05e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.112216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068066/publication.md
observed 324142af53cda491800d88fa4ce9e89c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:39.093601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068066/publication.txt
observed a64610a049a7aa83e3ae0240fd46f49e...
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.