OpenTechnical

OT-2026-000087800

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, plant vacuum fed, 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-2026-000087800) never changes.

Identity and time

Publication numberOT-2026-000087800 · never reused
Internal UUID01a0ae9b-1aa4-75de-a07d-5342353d5981 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087800
StatusPUBLIC

Content hashes

Canonical text2cebf16c9c1b6707e75a8c4915d7ef044d324cf7ebba3637aa4f2d5e0f7653c9
Markdownfe9229e3dd3c7f1bc1f7a26ef9c43a7e5e75df65a3a19b217f28c683263ef6b5
PDF
Publication page5a7b68919e58c6f9494e7a30e7123dfb6dfb315ffa723daa79cac1783d8ae94d
Manifest5be801a4f4d218a6ea090c28959fdc32ae5a44fa8549b5ba81c10aa4b4829a49

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
SignatureIFdKOL2/8ex0lPWD1W6Ohf3bEqhIPg3gxBlyuO9dAOj5/AxuJfs3B4gyUmBwfe3u7nVziOrW8uWoAyjmVBW1Aw==
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

2026-09-17T09:48:59.418688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087800
observed 5a7b68919e58c6f9494e7a30e7123dfb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.399713ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087800/manifest.json
observed 5be801a4f4d218a6ea090c28959fdc32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.381917ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087800/publication.md
observed fe9229e3dd3c7f1bc1f7a26ef9c43a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:48:59.362558ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087800/publication.txt
observed 2cebf16c9c1b6707e75a8c4915d7ef04...
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.