OpenTechnical

OT-2026-000015446

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, 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-2026-000015446) never changes.

Identity and time

Publication numberOT-2026-000015446 · never reused
Internal UUID01a0ae6d-ef4a-7d0d-bee8-e38222a2bfd5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015446
StatusPUBLIC

Content hashes

Canonical texte64d598c46ae2ecc4edbae560ee3fc700f2ab1be057fb257d3da70cc360a237b
Markdown2316d6d1aba1e40f099a7cfa618b2ba5fd0b9e2d89f359c0c00d10cf41382547
PDF
Publication page37893d69cace48f85276952a58c62e696f0d4e984ddc5f48250e04e1dae4e86c
Manifest452b4b9e0236e8234bc07a785999f6890eccb5ad2df8fd6beaccf76ff130ccc7

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+HauUF9rwxbLme1zzhnyScNQhAWnINynNi1m0zwATllJvMcbHdqy7hGHUQj0ijplFTDMQA5imCEB8jo4+0MyAQ==
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

2026-09-17T12:06:11.494026ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015446
observed 37893d69cace48f85276952a58c62e69...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.467227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015446/manifest.json
observed 452b4b9e0236e8234bc07a785999f689...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.444974ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015446/publication.md
observed 2316d6d1aba1e40f099a7cfa618b2ba5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:11.347719ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015446/publication.txt
observed e64d598c46ae2ecc4edbae560ee3fc70...
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.