OpenTechnical

OT-2026-000010662

Publication integrity record

Foam pad vacuum gripper, three zone face, single stage ejector, vented 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-2026-000010662) never changes.

Identity and time

Publication numberOT-2026-000010662 · never reused
Internal UUID01a0ae6c-0ee8-7458-9f44-cd53f4e6fc23 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:52.445886Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000010662
StatusPUBLIC

Content hashes

Canonical text9f89311735807fd3c6c730ad9b699559671d271329b39a6803c02c2b72652f7d
Markdown7318e27c6c8d642bdd383044f8574719931339007b62173b3d875db3ff0eace0
PDF
Publication page926ab3f59497e3f8ab5b603e29449a35da20942b85608e9de3dd9c794bf571be
Manifestc5f69f815794cbad0c4e7d3efd21158f2b65ce106e69e05ca069888788b8d5a8

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
SignaturenQ54ETnbfBzDv/G6o/4q50zZ63TeZf6QAq7rtmZ4n+y3Vdh87bYBwyVNOdjnG34zzDQTd72RSNrHvIbNs2QVBA==
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

2026-09-17T12:14:52.118209ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010662
observed 926ab3f59497e3f8ab5b603e29449a35...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:52.097931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010662/manifest.json
observed c5f69f815794cbad0c4e7d3efd21158f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:52.076712ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010662/publication.md
observed 7318e27c6c8d642bdd383044f8574719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:14:52.055465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000010662/publication.txt
observed 9f89311735807fd3c6c730ad9b699559...
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.