OpenTechnical

OT-2026-000093291

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, two stage ejector, 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-2026-000093291) never changes.

Identity and time

Publication numberOT-2026-000093291 · never reused
Internal UUID01a0ae9e-0911-7c25-bfdd-d3b02174dee7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093291
StatusPUBLIC

Content hashes

Canonical text158ce598a4a2ed1eb837c0d307cdb34f34c67ff9df738d180818c201b828f3f1
Markdown72164734d2b70bbe5d43bcf6e4f046af104117604286d7cc76ca9fd468c5bd3b
PDF
Publication paged90b2169805ce1986575b1da2625bc434434eb6849a0edb7b9954feee162793d
Manifest694404439bc527027f2d86f312c501fb7ea77957829068ae0dd197f4e58c1656

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
SignatureLrvJQzFedtCKEYUzmk8Jjuv2Aj3/ZedQ/GOvGDEKcbzow6e3YHspcD7Ru3xLZByNqNJ47rJA/DFIIBP8/Y4iDA==
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

2026-09-17T09:40:39.951216ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093291
observed d90b2169805ce1986575b1da2625bc43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.934601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093291/manifest.json
observed 694404439bc527027f2d86f312c501fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.916741ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093291/publication.md
observed 72164734d2b70bbe5d43bcf6e4f046af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:39.899023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093291/publication.txt
observed 158ce598a4a2ed1eb837c0d307cdb34f...
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.