OpenTechnical

OT-2026-000054097

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, vented 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-2026-000054097) never changes.

Identity and time

Publication numberOT-2026-000054097 · never reused
Internal UUID01a0ae85-b3a8-7454-bb61-fb562d664bbb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:53.019909Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000054097
StatusPUBLIC

Content hashes

Canonical texta8ba13c74c06a15fa9da7cfaef2466c88e3d459e90d208675549e3adb7f0530a
Markdowna6e8d7cad5b1b08e6965af63f0dfc1a7d2f3d91cc0ac51b6ea6e0042448a3b89
PDF
Publication page7ec39047346b76a12f0d65a18e758fc4e35d8568ba1bcc3e3eeed6e87e5dd583
Manifest9bddf962407dd1a2fe13d10eb379c12d7254373e1ae331ec7305ba92475ef5ba

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
Signaturetbje4/LiHCIQN88XE2ucFIbxFLX7vPbe2EeViotmUKL/QNnJgAJGrEvQZdpAfjiJKnY65EcEFjOroPfs3hOtCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:54:29.170386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054097
observed 7ec39047346b76a12f0d65a18e758fc4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.151428ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054097/manifest.json
observed 9bddf962407dd1a2fe13d10eb379c12d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.133287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054097/publication.md
observed a6e8d7cad5b1b08e6965af63f0dfc1a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.112725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054097/publication.txt
observed a8ba13c74c06a15fa9da7cfaef2466c8...
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.