OpenTechnical

OT-2026-000003735

Publication integrity record

Vacuum cup gripper, common isolation valve, plant vacuum fed, pressure verified at each zone

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-2026-000003735) never changes.

Identity and time

Publication numberOT-2026-000003735 · never reused
Internal UUID01a0a90a-e70c-7231-8ab3-26134f229a30 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:39.151459Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003735
StatusPUBLIC

Content hashes

Canonical text5a16c4e11c312b95525f50ebdff1923c5d4f29361bc2ace4872e547ba0885c9c
Markdown7492905fcee879d4cc005eba87c020fcbf61e767e75c9dc3fb00d1fd28e1825a
PDF
Publication page0dee42c68ad1942ed17c7953bb8eeacf65e6e8ed98ee3b7846d38e75dffdaca4
Manifest35477a22760802bad3e97ed7c4603c0d5a72234fcb499078edcdceedc06376f4

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
SignatureCk5I3uidOZBWsaN8TxSd3Bnny0KN6ucDdnj6uck3b/uA9eX71dTaCMjQqEb89E/fNwkXxXLAlHxG6zKEaPvoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T07:50:33.715535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003735
observed 0dee42c68ad1942ed17c7953bb8eeacf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.701942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003735/manifest.json
observed 35477a22760802bad3e97ed7c4603c0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.688106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003735/publication.md
observed 7492905fcee879d4cc005eba87c020fc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T07:50:33.673830ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003735/publication.txt
observed 5a16c4e11c312b95525f50ebdff1923c...
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.