OpenTechnical

OT-2026-000025950

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down

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-2026-000025950) never changes.

Identity and time

Publication numberOT-2026-000025950 · never reused
Internal UUID01a0ae71-a83f-77d1-b6aa-756a29e529a9 · 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-2026-000025950
StatusPUBLIC

Content hashes

Canonical textc9ec2c8706d4b7069d10aec9672f67726c38d9c17afee1f891b3cdc08e52d6e5
Markdown5e8029ab14bfce3cb03f9ca16553112ccdb46bf96cd593148cf61df5571d5ef0
PDF
Publication page39f358710bd18a39856899b93c6dc31f57b79c849e5d1aad637cd2fb0c0c27ef
Manifest4e373acf04438eef102bbd9e50f9fc5014b4f4d73cf356d750fdba68dd9a8aa6

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/PA7sNodQpXvQxc9vNKNp+yS06dsQGlP7/mjG2ulYzS0deunxvu9JlDOEF+Q31KWOwS2ACbi+h0NPEpA5tKRBQ==
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

2026-09-17T11:46:19.070060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025950
observed 39f358710bd18a39856899b93c6dc31f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.051413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025950/manifest.json
observed 4e373acf04438eef102bbd9e50f9fc50...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.032041ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025950/publication.md
observed 5e8029ab14bfce3cb03f9ca16553112c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:19.013475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025950/publication.txt
observed c9ec2c8706d4b7069d10aec9672f6772...
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.