OpenTechnical

OT-2026-000087568

Publication integrity record

Three cup vacuum gripper, three zone face, three 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-2026-000087568) never changes.

Identity and time

Publication numberOT-2026-000087568 · never reused
Internal UUID01a0ae9a-cd52-7d4c-8e6b-d3d6acde19e9 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087568
StatusPUBLIC

Content hashes

Canonical texte381ab08b63d4c063171aebe023a48c2c585549264e37241ef66350091ba67b3
Markdown8d616d0b17b1f637e5b853631274c4f0f0c5e585774a755e3dfb456c34565a8b
PDF
Publication page2bdb004c624c12216a742664b291ce0a7c64ff59fff943ffa3d36fbac8ebcaf1
Manifest5fc1514f99c3e24df7a850bf043108d4ca3fbbe83c79e6cdf11209a11b3c2d9b

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
Signature8TZTRbiye47DCdQUTDn1ZP0y9h/WYj174Gv2O3jXciREz4ulD4q4GxzuDbb29gVPKa6s5yW0kgUQH5StIQJ2Cw==
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

2026-09-17T09:50:54.845494ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087568
observed 2bdb004c624c12216a742664b291ce0a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.829745ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087568/manifest.json
observed 5fc1514f99c3e24df7a850bf043108d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.812150ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087568/publication.md
observed 8d616d0b17b1f637e5b853631274c4f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:54.792264ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087568/publication.txt
observed e381ab08b63d4c063171aebe023a48c2...
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.