OpenTechnical

OT-2026-000074712

Publication integrity record

Four bellows 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-2026-000074712) never changes.

Identity and time

Publication numberOT-2026-000074712 · never reused
Internal UUID01a0ae93-ac2b-7def-ac11-dfb0516174df · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:08.693295Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000074712
StatusPUBLIC

Content hashes

Canonical text6b98bccab0f1da7463cafdff68af13746c7f7b65018c96af5b6f73dcda4e4cc9
Markdown77595087f55ca9fb0ba088b1f622d64b3e1b98bfec0907c563108e7d641e60fc
PDF
Publication page21db0c2ae4a98e9c5a4f899cea7306ce2e4decaa90b00c13afd9c43754a5a0ad
Manifestd6edc68f597c21a0c81cfd9dbe5b1eff02fbcfe6829a4977eb1cce364e20e8d7

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
SignatureeVues3eb8wmInXSIt3dg57O7kAcVYu6hrY/+8M82EGsv3ffNku4ZPT/T9cmsu3osBq64YST3a6U6v/YTumSCBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:18:18.430749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074712
observed 21db0c2ae4a98e9c5a4f899cea7306ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.412782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074712/manifest.json
observed d6edc68f597c21a0c81cfd9dbe5b1eff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.351728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074712/publication.md
observed 77595087f55ca9fb0ba088b1f622d64b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:18:18.286676ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000074712/publication.txt
observed 6b98bccab0f1da7463cafdff68af1374...
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.