OpenTechnical

OT-2026-000081367

Publication integrity record

Foam pad vacuum gripper, two zone face, two outlet manifold, pump fed, 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-2026-000081367) never changes.

Identity and time

Publication numberOT-2026-000081367 · never reused
Internal UUID01a0ae96-f375-73fb-be68-19c0e41522dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:43.461344Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081367
StatusPUBLIC

Content hashes

Canonical textc058818ae9fe3305225daedbe0ff891fa27af70da0cf9bee44bfa227c9bc72c4
Markdownd44cd56dce13e4fdaab3d0d5dfce613e30052c4422b77e4b65f5072df36b5a23
PDF
Publication paged6b63ac0ef116d29d65845aa9c0ce6c220565cafabc96e8125282f14b470f18f
Manifest60207cb1eac80b727ab391f58f680b01926fee2972437ff8ebd21cfa495229c9

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
SignatureGSxxVqXpdjbmEHOnWnOm56gfUubkk1L7QkHRyLm4Y+2W9hudMeBiTE3rIkfiZR+ranmpCYO33glBGtkNOwhbDA==
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

2026-09-17T10:01:30.151041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081367
observed d6b63ac0ef116d29d65845aa9c0ce6c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.133769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081367/manifest.json
observed 60207cb1eac80b727ab391f58f680b01...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.115736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081367/publication.md
observed d44cd56dce13e4fdaab3d0d5dfce613e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:01:30.098087ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081367/publication.txt
observed c058818ae9fe3305225daedbe0ff891f...
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.