OpenTechnical

OT-2026-000016561

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, manifold 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-2026-000016561) never changes.

Identity and time

Publication numberOT-2026-000016561 · never reused
Internal UUID01a0ae6e-2d14-7760-8078-9433ab4fb01c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016561
StatusPUBLIC

Content hashes

Canonical textca01cafba06993c6cd40244c5a0d8d1a7e4e5741b05e454d511d950758ede1e9
Markdownb4cd2ab07b8ac27f2d0da639f9ac4346e6945925df56b5bbfb358630a3d2f85d
PDF
Publication pagefd1bb2bc7970bb5cf202c4023275ad2808d746e196b8ed6c4e28c0bf36b893df
Manifest706aacf0206f4d26bdcabe64331540832717ec0202a3e62d1dea0072c8b8424a

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
SignatureWu+ONwQIOynVzbBQ/RjD/NwE4blxQIIzrnicCa7nRmWCLJXxOYkhfLvGbEytSBFBUqsZ1icsQmKY3PKOIr0iAg==
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

2026-09-17T12:04:47.388189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016561
observed fd1bb2bc7970bb5cf202c4023275ad28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.369373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016561/manifest.json
observed 706aacf0206f4d26bdcabe6433154083...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.351176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016561/publication.md
observed b4cd2ab07b8ac27f2d0da639f9ac4346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:47.328520ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016561/publication.txt
observed ca01cafba06993c6cd40244c5a0d8d1a...
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.