OpenTechnical

OT-2026-000036674

Publication integrity record

Foam pad vacuum gripper, plant vacuum fed, supply line pressure sensor, 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-2026-000036674) never changes.

Identity and time

Publication numberOT-2026-000036674 · never reused
Internal UUID01a0ae77-46e8-7bb3-82f0-6cc194bb5caf · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:07.671965Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000036674
StatusPUBLIC

Content hashes

Canonical text3b2284322ba2d859de70c67aedbc2d4275814ac1bef42e49043dd623d03b6c15
Markdown6fb2aca17528f7cf5cb7bd21cd613d5d851a851ccf9752d6a4e59598f92c1f45
PDF
Publication page7cf540f5b8f8a70a87adb3397f70c5a870b65af304d9db796aa97532616eaa3a
Manifest8a33435091953aa8a3e6180e6f72620c25803193168b55e9198fe16fe03f3bc3

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
SignaturepO3aIM/sLDkf5SWi/85InXVQxXIpkVYN5sD0slvidD536VpuOfZ7eq5Bd2D7dS9t+oo52Mhl6C+UCAO3sLvHAw==
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

2026-09-17T11:26:01.688363ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036674
observed 7cf540f5b8f8a70a87adb3397f70c5a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:01.673111ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036674/manifest.json
observed 8a33435091953aa8a3e6180e6f72620c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:01.655681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036674/publication.md
observed 6fb2aca17528f7cf5cb7bd21cd613d5d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:26:01.639676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000036674/publication.txt
observed 3b2284322ba2d859de70c67aedbc2d42...
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.