OpenTechnical

OT-2026-000085028

Publication integrity record

Two cup vacuum gripper, two zone face, four 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-2026-000085028) never changes.

Identity and time

Publication numberOT-2026-000085028 · never reused
Internal UUID01a0ae99-43b8-7854-8098-49f86c795f30 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:15.103896Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085028
StatusPUBLIC

Content hashes

Canonical texta7ee6e1112bbe458fa948944471b307eb8772315170b57f2ae3ef0b61063f404
Markdown67f41c7ccca3f98961b58ec779c38b350cbb870a01d3f198b80999bae7b55216
PDF
Publication page164d6fec1a167b2cf4dcd7d1f6886e3fa5f34937f0f6509ae32c9bea4900ece8
Manifest3c3f730f2a5ebf842eeb338dd6ac0920bbb87449f1d03ba9ac6b5e56c0176926

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
Signature8maNOy63wdF0KeF7A6kzj93iwtUopNS1LrOXX5nhuskMaTyr9BWSoIug8IzIuFg/6SF7prpLqTPr502hH3NSDQ==
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

2026-09-17T09:55:02.396918ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085028
observed 164d6fec1a167b2cf4dcd7d1f6886e3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:02.379314ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085028/manifest.json
observed 3c3f730f2a5ebf842eeb338dd6ac0920...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:02.362754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085028/publication.md
observed 67f41c7ccca3f98961b58ec779c38b35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:02.346216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085028/publication.txt
observed a7ee6e1112bbe458fa948944471b307e...
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

OT-CUSTODY-2026-W38OpenTechnical-Custody-2026-W38.tar.zst
f2fc69d02142424a578267e5e3a6d3bb... · 402,218,449 bytes · held by held on site pending an external custodian · retention permanent