OpenTechnical

OT-2026-000045676

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, 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-2026-000045676) never changes.

Identity and time

Publication numberOT-2026-000045676 · never reused
Internal UUID01a0ae7d-8f03-7b19-b62c-1617417862cf · 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-2026-000045676
StatusPUBLIC

Content hashes

Canonical textd0c302885159ffee9aed4a1a7ff10592c82706a2141159fba2f7218839c6ef99
Markdown31ef9e269309756ed60dfa168e991740ef157b82e68d5b1416b2db40f46e2928
PDF
Publication pagedfaa98a12984d8ea6434bd27ce1730983f461488dc0f61ecbc36abb47bc2a447
Manifest0fa0571706bc9cf32d2621ce7a85024948b8d1ca6821d6bf7ede59892863d9b0

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
SignatureEHr1IkJAs55bLNX9iA3pKuRMOMGNWQRtsU7dzqCpu0jxRP5BVcBKF2YHHpUd2Xj15u0zZHrjWYPS7/+ILTxqDQ==
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

2026-09-17T11:09:28.502320ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045676
observed dfaa98a12984d8ea6434bd27ce173098...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.483238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045676/manifest.json
observed 0fa0571706bc9cf32d2621ce7a850249...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.464045ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045676/publication.md
observed 31ef9e269309756ed60dfa168e991740...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:09:28.446325ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000045676/publication.txt
observed d0c302885159ffee9aed4a1a7ff10592...
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.