OpenTechnical

OT-2026-000103014

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, pulsed blow-off after 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-2026-000103014) never changes.

Identity and time

Publication numberOT-2026-000103014 · never reused
Internal UUID01a0aea4-be3d-7413-b6eb-6388a77fd2ea · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103014
StatusPUBLIC

Content hashes

Canonical textefe348fb2f22d3858cff9fcc2211410bd180bf69bb68b4bb4e225c5714ebd378
Markdown2ce07124d75b3fd36bbee7b8cbd44d859210712a82cb84fc6fc952558d9dec25
PDF
Publication page6111791a34539ad360c1b165e69c731961412e27387dc19ad2b5bf3e9483315a
Manifest8b60f9265eeb562010aa927daf4f2aea70bf97d8b5bf8ab4a0c420317a4a5375

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
Signatureg7BYNhX2lvec5l6J866rJAVriwWH7JrpzKRBwwRLHBLwP3Fq/s5oJombmVT3KUruhA7XEHkYrv7AXGunrr2IBg==
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

2026-09-17T09:23:07.952389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103014
observed 6111791a34539ad360c1b165e69c7319...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.933926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103014/manifest.json
observed 8b60f9265eeb562010aa927daf4f2aea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.915613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103014/publication.md
observed 2ce07124d75b3fd36bbee7b8cbd44d85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:07.897844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103014/publication.txt
observed efe348fb2f22d3858cff9fcc2211410b...
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.