OpenTechnical

OT-2026-000090062

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, manifold 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-2026-000090062) never changes.

Identity and time

Publication numberOT-2026-000090062 · never reused
Internal UUID01a0ae9c-428e-76ba-a73f-65854bfd54f3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090062
StatusPUBLIC

Content hashes

Canonical texte47edc8ffa4c6d78f73629bf6a62bb63cce7e16ce2d030d2f3e63281eafd05be
Markdownebd2028f8a5d54f39b2aa0e9fb6c9c5201fb2e940fd3580c0bfd7cc349d3c89a
PDF
Publication page30260b6444d9e93d6e63c5dec267b98d4ab1c3e7f364c243b9e203a506b50314
Manifest03709e8fb60049eaef2c07af95007af306de866fa471c0c9fd829aac5ddcdf90

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
Signaturek1Y6EV960s80RyWvUsdgMdzbPD7+70Qi6eRmvvCjeUWyYxaRd78tzlkWqhnogmHQj4/w2HUrG3cGS/FssBBuAw==
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

2026-09-17T09:45:28.426788ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090062
observed 30260b6444d9e93d6e63c5dec267b98d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.409300ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090062/manifest.json
observed 03709e8fb60049eaef2c07af95007af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.392308ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090062/publication.md
observed ebd2028f8a5d54f39b2aa0e9fb6c9c52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:45:28.374869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090062/publication.txt
observed e47edc8ffa4c6d78f73629bf6a62bb63...
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.