OpenTechnical

OT-2026-000100729

Publication integrity record

Foam pad vacuum gripper, three zone face, three outlet manifold, single stage ejector, pressure sensor per zone, sustained blow-off 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-2026-000100729) never changes.

Identity and time

Publication numberOT-2026-000100729 · never reused
Internal UUID01a0aea3-66f4-7403-8c4f-e518e8202217 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100729
StatusPUBLIC

Content hashes

Canonical text17a409cdd83fdc43da2cd6b8a171082c16785693646f5658ffe0e7738f026cec
Markdown599cfbb075cb8b6c3b07d7638925d8c0a2ec7f58538d6a0353f4bfca73258932
PDF
Publication page9ca0f020521945bca9511efa5c507c9367ab13dd9aff8e662c2d9d25960bfa81
Manifest23f065529c687715b99e42d4cc33dd98013759924f7e023673334a4eb864fd35

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
SignatureFw4TgeVy1PB6UswBB6KIKp0iTSa7gHOy3GYkTZnEYTMFVvAdF3RoodNAlY7oNEoXyvmZyr00BaxbEgOmBoxKDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:33.450723ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100729
observed 9ca0f020521945bca9511efa5c507c93...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.432686ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100729/manifest.json
observed 23f065529c687715b99e42d4cc33dd98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.413586ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100729/publication.md
observed 599cfbb075cb8b6c3b07d7638925d8c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:33.393964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100729/publication.txt
observed 17a409cdd83fdc43da2cd6b8a171082c...
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.