OpenTechnical

OT-2026-000097977

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, single stage ejector, supply line pressure sensor, 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-2026-000097977) never changes.

Identity and time

Publication numberOT-2026-000097977 · never reused
Internal UUID01a0aea1-92f7-7ff4-a128-e36db2c3b413 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:19.650679Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097977
StatusPUBLIC

Content hashes

Canonical text134281bbdb2363ddeee523d6285dfd6919fc37ab77a64447f3b8bd28690b541f
Markdown0529cd111772066a072180304fd746cead57ebaf51314b255428134fbb59620a
PDF
Publication pagef9813a8873be0227d0b93ef84c5abb2aa80b15e5ab329cf5ad831db8ca960c3d
Manifestfd0a43e2ef02d284983c5aec44a3033acca169a9ba5097185dc308860211b0ad

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
Signature3xigfApW3JXwLTORbFLQyKcuSdeGgzKUN2Mk965kDCsLAm527m3AWBB949iGqMK5oA+E/7OqAAW7lQoKUz3PCw==
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

2026-09-17T09:33:07.489764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097977
observed f9813a8873be0227d0b93ef84c5abb2a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.472187ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097977/manifest.json
observed fd0a43e2ef02d284983c5aec44a3033a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.454226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097977/publication.md
observed 0529cd111772066a072180304fd746ce...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:07.434298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097977/publication.txt
observed 134281bbdb2363ddeee523d6285dfd69...
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.