OpenTechnical

OT-2026-000033746

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, 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-2026-000033746) never changes.

Identity and time

Publication numberOT-2026-000033746 · never reused
Internal UUID01a0ae75-a390-7816-b6f6-00673d55c122 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:20.325649Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000033746
StatusPUBLIC

Content hashes

Canonical text237daa2be09d8ca25c9227c651b2897764755236f45ab20f5a8c5bdfa31154d9
Markdown3096f73c37c0c032c871b612a52436afb9472f8ebf3f89e3620bed6242a18395
PDF
Publication pagea4537b4233927a269b39a05a96269039015754124b6469b7c8c32146a0a07594
Manifest5200872bc1740fc6ac100da6dfde2f5a84879fdd20f426fa863e3f92c0fc3e9c

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
Signature4TGiQw1ytauxrIJ0zRnVpG3sUTTGVbwm237fM+TFKqCAcGRrseW/KjqyBVq9M5Fyp8tX+DuLeONJAPu+xqtcAg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:31:45.393358ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033746
observed a4537b4233927a269b39a05a96269039...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.374282ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033746/manifest.json
observed 5200872bc1740fc6ac100da6dfde2f5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.352417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033746/publication.md
observed 3096f73c37c0c032c871b612a52436af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:31:45.334521ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000033746/publication.txt
observed 237daa2be09d8ca25c9227c651b28977...
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.