OpenTechnical

OT-2026-000104513

Publication integrity record

Foam pad vacuum gripper, two zone face, three outlet manifold, pump 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-2026-000104513) never changes.

Identity and time

Publication numberOT-2026-000104513 · never reused
Internal UUID01a0aea5-3422-7ad2-a76d-0b7671025ab0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104513
StatusPUBLIC

Content hashes

Canonical texte4afa5f56fbdfcf24fbb68a2cdfa42fe38492340958891fe9bd857cdf328bcf0
Markdown78e4dc5b00daef22c48318eb477d7db58857a3296a4f6cc170a4bc80b0c74789
PDF
Publication pagec1b12b6ddbf88cce49a62f1805b5be8549d8ac6bd5aaaf01501a2f611155798c
Manifest1fd277a02bf5b6b55438369715d2fd33818cc7466b590dd1bb579bd61b1e76b8

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
SignaturezcrYirm04cJzp6uPe0ykc7DLHQM0B3WI/g69vnXqB0BAuSCjToqdAwbpVE8y90fQhtDYnWOqM3BwlojXVwcaBg==
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

2026-09-17T09:21:48.441652ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104513
observed c1b12b6ddbf88cce49a62f1805b5be85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.420611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104513/manifest.json
observed 1fd277a02bf5b6b55438369715d2fd33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.400879ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104513/publication.md
observed 78e4dc5b00daef22c48318eb477d7db5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:21:48.381538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104513/publication.txt
observed e4afa5f56fbdfcf24fbb68a2cdfa42fe...
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.