OpenTechnical

OT-2026-000054101

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-2026-000054101) never changes.

Identity and time

Publication numberOT-2026-000054101 · never reused
Internal UUID01a0ae85-b3a8-7db6-ae95-d4fb7a89a92e · 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-2026-000054101
StatusPUBLIC

Content hashes

Canonical text08ecd15a2452d4eea966856f492152b58db5a518e6a024368d482e1c04ac1648
Markdown3692cc5af777abec3a6be2ae0a9f2cbaf7e99edfe408cd334b4b2746b9fd2a39
PDF
Publication pagec05950953a751542025315d247ef126caab8f7b3b40bcc90ec4a80d0830a64c8
Manifest189134ca21d56ebc160a69d5991f3475892d0df2d05196952602277bfc37b901

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
SignaturetNSVmvGnNCoZvbGWEh7GgRsYEh7PVqGy5Yb1wpRBjfd2kUhdHm9+3JTumG1Qi8XwdSWL764zO7rkrpWRNNe+BQ==
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

2026-09-17T10:54:29.555386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054101
observed c05950953a751542025315d247ef126c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.539128ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054101/manifest.json
observed 189134ca21d56ebc160a69d5991f3475...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.518794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054101/publication.md
observed 3692cc5af777abec3a6be2ae0a9f2cba...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:29.500519ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054101/publication.txt
observed 08ecd15a2452d4eea966856f492152b5...
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.