OpenTechnical

OT-2026-000073562

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000073562) never changes.

Identity and time

Publication numberOT-2026-000073562 · never reused
Internal UUID01a0ae92-efb9-722d-8c38-b07658b30a0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:20.363042Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073562
StatusPUBLIC

Content hashes

Canonical texte3942bd1a5e45ef9b1cbeb5de634f6a5d3fd5cb41193d6da35b76c40b403766f
Markdowna2ae2cb4f66ac7c71d58c057ed40214af8b475355369dd9fc75169bce6c81f80
PDF
Publication page0591d80cfc9eac9c3a5e56daeea34f68c6ad7a77ceb5b39c481bb7a7bd83251b
Manifest2e1949bb649bc4f00c027a6466f7e47e2d2a60a66755c84b6dab584b647ca696

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
SignaturerxVI4MlSZDplXenXMnZUGN69FS9T6UACqoo6JrqfNHweUKIJDVz8J4G2WboMf6z0vUdIvMgRC6PH0WG2oTlICA==
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

2026-09-17T10:21:44.119997ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073562
observed 0591d80cfc9eac9c3a5e56daeea34f68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.102839ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073562/manifest.json
observed 2e1949bb649bc4f00c027a6466f7e47e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.084312ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073562/publication.md
observed a2ae2cb4f66ac7c71d58c057ed40214a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:44.067343ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073562/publication.txt
observed e3942bd1a5e45ef9b1cbeb5de634f6a5...
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.