OpenTechnical

OT-2026-000085421

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, plant vacuum 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-2026-000085421) never changes.

Identity and time

Publication numberOT-2026-000085421 · never reused
Internal UUID01a0ae99-aaab-767a-81a6-1027ae09b45d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085421
StatusPUBLIC

Content hashes

Canonical texte9e38f15c290ae1f90876fee1e0deb24da5ae9615ac57298a8a54135ca35e45d
Markdown3ade8eaa07499d5c4e4df1be68b87a209ef3db38ac0ba4611feed3c126debc94
PDF
Publication pageb2063e37564c3b4a3db89bd7644e21d174f625f76da099d663a6983afd1f4408
Manifestbc60526dbc08e3a3b0ce18c574eb0553e81fcd2d7865fdaa79e09c70191e3870

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
SignatureITc/9Q25jXlFoGXz6Y0b0QRW6tj9z6BlP97rQ1HJl3FakATJxEzfOkUQgWHAHasEFccQa46iQjFD/L1CSabCDg==
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

2026-09-17T09:54:11.782020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085421
observed b2063e37564c3b4a3db89bd7644e21d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.763793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085421/manifest.json
observed bc60526dbc08e3a3b0ce18c574eb0553...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.745747ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085421/publication.md
observed 3ade8eaa07499d5c4e4df1be68b87a20...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:11.727133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085421/publication.txt
observed e9e38f15c290ae1f90876fee1e0deb24...
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.