OpenTechnical

OT-2026-000045573

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, sustained 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-2026-000045573) never changes.

Identity and time

Publication numberOT-2026-000045573 · never reused
Internal UUID01a0ae7d-8f02-7ff1-b2b1-f8b60177d925 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:30:59.492045Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000045573
StatusPUBLIC

Content hashes

Canonical text7fad9fffafb4d6ef1b3d12b9dd74c562265fdd84de846c213b26d5589cef88c3
Markdown579445ca411b5b4aa9c1318a1f5a42af58cd9fc8d9dae96e3f412f050e42ed09
PDF
Publication page41b0d036b71fbb58bfb306c7a8042f130b902c19155aaf7cc28016603a8569c4
Manifest864b07369a38f567ab4a297d7c9681e9934b085cb9b31e28c3ddb7e6cd7641e3

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
Signature/2AXsrSIRzzw+/ELFC/2Qq+VxfPS6HjIaY/ty9J773rGEs46ApoC4y8F5kFvwziAfYwyqbyEGCUT8upnvHQ0CA==
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

2026-09-17T11:09:20.135848ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045573
observed 41b0d036b71fbb58bfb306c7a8042f13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.115096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045573/manifest.json
observed 864b07369a38f567ab4a297d7c9681e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.094300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045573/publication.md
observed 579445ca411b5b4aa9c1318a1f5a42af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:20.075559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045573/publication.txt
observed 7fad9fffafb4d6ef1b3d12b9dd74c562...
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.