OpenTechnical

OT-2026-000054329

Publication integrity record

Four cup vacuum gripper, four 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-2026-000054329) never changes.

Identity and time

Publication numberOT-2026-000054329 · never reused
Internal UUID01a0ae85-b3a9-77c7-a7c5-a10067aa705e · 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-2026-000054329
StatusPUBLIC

Content hashes

Canonical texte5659518b00105f0b7e22ca0b3dae52ece64349722cdf221c5229e8cff8696da
Markdown30a059127a9abd982b9c0415ec3ad14bd4059db78e04b1fb32902f034fa06ffc
PDF
Publication page1e8911834c1d29f67b365e0c29a55337f514f890ec6706f42b5fd9b768475cb3
Manifest3b465e9f03f7a5bcb17cf2dd0a42d152fcfdb95a4ac1070a5501ec0206da311a

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
SignatureYuRp5IlKkSI0NLDwZ0c87amEugBcGuEH6/gicLxIt/qQ1aoE0vs8FAKyY8+0YkWxk6vxAQF3zwg6VpsGxZsQBw==
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

2026-09-17T10:54:50.414186ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054329
observed 1e8911834c1d29f67b365e0c29a55337...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.392277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054329/manifest.json
observed 3b465e9f03f7a5bcb17cf2dd0a42d152...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.372801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054329/publication.md
observed 30a059127a9abd982b9c0415ec3ad14b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:54:50.351743ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000054329/publication.txt
observed e5659518b00105f0b7e22ca0b3dae52e...
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.