OpenTechnical

OT-2026-000070539

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, supply line pressure sensor, pulsed 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-2026-000070539) never changes.

Identity and time

Publication numberOT-2026-000070539 · never reused
Internal UUID01a0ae91-5460-73d7-b357-3d01a28d48cf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:35.055348Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000070539
StatusPUBLIC

Content hashes

Canonical text46d5a95679a4c3cfb153bbc145973e0bfff60e7b9253b1e5e77250ad446a00fe
Markdown9491ebad6e9632511121fe84ad289c23b577dcfaa6229b1af465bbf63370657c
PDF
Publication page687d8079e8a87f4b7e83d41d15fb96b4cb1cce1409a6dc59e2e789872db64954
Manifest96c7f41251ca883d37bf25c4b1b20ae62c8cd8b32741100f578cfee68fc61a02

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
Signature93gISkpFlPlyw1B6RQZy2N9GQOKzb6j7Dx3n4+lV4FllEiax5w7NPNHSA41bhBk2ehEpHroy5Hdd2+ZYwMuACw==
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

2026-09-17T10:26:23.179020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070539
observed 687d8079e8a87f4b7e83d41d15fb96b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.160976ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070539/manifest.json
observed 96c7f41251ca883d37bf25c4b1b20ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.142700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070539/publication.md
observed 9491ebad6e9632511121fe84ad289c23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:23.125584ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000070539/publication.txt
observed 46d5a95679a4c3cfb153bbc145973e0b...
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.