OpenTechnical

OT-2026-000025770

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained 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-2026-000025770) never changes.

Identity and time

Publication numberOT-2026-000025770 · never reused
Internal UUID01a0ae71-a83d-7088-8820-b8dc4b812c2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025770
StatusPUBLIC

Content hashes

Canonical text27ca4bc0bb2a9849869a697cf12447aa3e45bc5b90ae22dce6ea3c6c36e984aa
Markdown6f404ed8e2109bbd075f04df35996241ab908ee48ee12c5f7e8d442ac9bb6b99
PDF
Publication page51b5135b9c35984190f37746180917f1c21bd0f314fd6ec38f277c3218c960ae
Manifest9792c6056a14cd46dc32c08a932a31677ba2ffde19fcf0841356da8adf66e7d0

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+4nNZpXlWTEpeXzV8GRYQBDp7w14fVeojX2MUfttvUl/v1RdCPB4fW8HLr4ipKYv4SYLHcYZ5r2h0ZVw3/ErAw==
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

2026-09-17T11:45:56.627823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025770
observed 51b5135b9c35984190f37746180917f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.606877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025770/manifest.json
observed 9792c6056a14cd46dc32c08a932a3167...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.586061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025770/publication.md
observed 6f404ed8e2109bbd075f04df35996241...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:45:56.568236ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025770/publication.txt
observed 27ca4bc0bb2a9849869a697cf12447aa...
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.