OpenTechnical

OT-2026-000022978

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000022978) never changes.

Identity and time

Publication numberOT-2026-000022978 · never reused
Internal UUID01a0ae70-46ec-7721-a826-7001410accf4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:28.929798Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022978
StatusPUBLIC

Content hashes

Canonical textb332969080a04bc93510eba2c7dd28f7160527671c05903302597ece45b1ab0f
Markdown4aa8d044ab13e58d8b8a77f1413710c38d42aeafeda15df22938ad3f6d54c796
PDF
Publication page30eb3d5949be97dde53da06ccdbb0c3a4f61e812e60411204a398c3899837528
Manifestdccce68df6d5f6170b7390289b69f67add94f65cff0182bed91037f980e1b299

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
SignatureTaVd6n+HrFQYh9G54Z5Xilmk5TnrclqfjNdK+Z7JstN9C8Y0w/ruIESrzuDVqc/oKZElExlHcGAJuG9MSgzlBQ==
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

2026-09-17T11:52:34.081172ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022978
observed 30eb3d5949be97dde53da06ccdbb0c3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.064775ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022978/manifest.json
observed dccce68df6d5f6170b7390289b69f67a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.047219ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022978/publication.md
observed 4aa8d044ab13e58d8b8a77f1413710c3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:52:34.030628ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022978/publication.txt
observed b332969080a04bc93510eba2c7dd28f7...
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.