OpenTechnical

OT-2026-000066445

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, vented after 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-2026-000066445) never changes.

Identity and time

Publication numberOT-2026-000066445 · never reused
Internal UUID01a0ae8e-ce40-7cf7-9736-cfadcd446f7b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066445
StatusPUBLIC

Content hashes

Canonical text120b87b34b75c2fff93f1d2102c1141431658bab44082ddfacfc915985ab82cd
Markdown3921db6042e9fff38eb9378532b7d4505270fed19b984384a80df195fda7e58a
PDF
Publication page9bc7df1d498d8cd0a0fd776aa717b8a8bd9370d8cf9cc2c305d54a8ca669e1fb
Manifest2743c2b0f7513aeab2e0d428e10565af92ff04c196a97eedd4dd1bf8a63b1d75

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
Signaturehx/jdw53+/L25Kv/EUgiUsNihAM3X+0anMjMk8c7dw07ReMsS9mqnrM9nRFBzh0CM5cI0zwXK0ExvhoYSgHDDg==
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

2026-09-17T10:32:41.509700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066445
observed 9bc7df1d498d8cd0a0fd776aa717b8a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.492746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066445/manifest.json
observed 2743c2b0f7513aeab2e0d428e10565af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.474532ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066445/publication.md
observed 3921db6042e9fff38eb9378532b7d450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:41.456611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066445/publication.txt
observed 120b87b34b75c2fff93f1d2102c11414...
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.