OpenTechnical

OT-2026-000102089

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pulsed blow-off after 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-2026-000102089) never changes.

Identity and time

Publication numberOT-2026-000102089 · never reused
Internal UUID01a0aea4-50f2-7ef9-8011-add1e1055a54 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:19.361569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102089
StatusPUBLIC

Content hashes

Canonical text3d4ade4d76ed7eb3e94aba396975d0915c796d763a3e238ab387f0fd4b8e4a3b
Markdown679d7f4c075c68fc1984f95e920f3135b894d2bc083ee2824ca77964c32f0055
PDF
Publication page01c9d8e683e76b5ca55bb1987bfe012779861539bf155a72128e2e7637c9b81e
Manifest7a16dc222f11984872c4eb6fefac16b0aa61ebb996ea4c0c3e00f03c34de358a

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
Signaturep0UXiG0OiekpJIdI44yckBKfd/B6xPQcsuf7FAtCkGTMvgUc2hPmMbJeM4EiN2/ZQUYO5zrW9dKRaQuTYswNAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:25:14.240679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102089
observed 01c9d8e683e76b5ca55bb1987bfe0127...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.223397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102089/manifest.json
observed 7a16dc222f11984872c4eb6fefac16b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.203669ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102089/publication.md
observed 679d7f4c075c68fc1984f95e920f3135...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:25:14.183420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102089/publication.txt
observed 3d4ade4d76ed7eb3e94aba396975d091...
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.