OpenTechnical

OT-2026-000039397

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off after 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-2026-000039397) never changes.

Identity and time

Publication numberOT-2026-000039397 · never reused
Internal UUID01a0ae78-9675-7888-a1e2-f41949a9851c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:33.573712Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039397
StatusPUBLIC

Content hashes

Canonical textd3fa2bd73a9f4af6d553039ee683fad40d6e3a4a0b438b77b715baf4db961d5a
Markdown66d3242c898e0d4b35d2bfa884f86a54977757efbf29a30c174f4d51fd7fa82d
PDF
Publication page06d1e3b0626150d1fd35d92ac35b6da7b44e96552c68f85048ab4d03f37580a1
Manifest805cad90b57f860ca547181a3d061eea4e309f8d937dba7dbeaed453ab27e3a0

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
Signature13Prl3XVowdkjkuL2btO2pfFToOjNxI1fNrJhK3hf5d2yBxh05en5urkfEljFdv+40HW46tclH5R+FOqAgyPAA==
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

2026-09-17T11:21:00.502058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039397
observed 06d1e3b0626150d1fd35d92ac35b6da7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.484190ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039397/manifest.json
observed 805cad90b57f860ca547181a3d061eea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.467110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039397/publication.md
observed 66d3242c898e0d4b35d2bfa884f86a54...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:00.448319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039397/publication.txt
observed d3fa2bd73a9f4af6d553039ee683fad4...
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.