OpenTechnical

OT-2026-000021097

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, pulsed 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-2026-000021097) never changes.

Identity and time

Publication numberOT-2026-000021097 · never reused
Internal UUID01a0ae6f-65e5-7ddd-a8b9-dab73a0f1b40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021097
StatusPUBLIC

Content hashes

Canonical textd728b5ecc523a107354224585a4b71e304a3c36cf33c1fc77d4927cc2d8b43bf
Markdownd95cfcfbf0c7c90867748249c8324af7ffa754d75a06b2b9b1bb3f70c2486382
PDF
Publication page9ddc8e23871e1e90b763ffa2385f6ee6513cacfecdbbf4c681d3c0e47b2063ed
Manifestbea7e350973894033de9db8fe886d9f71929906aec1609f87186e6445215cb04

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
SignatureZO0c87A0lAHmWX4FV6IcocCkhZHR0ymSk/lwxzkK9JG7OkuHRJUalAPX5VdHvFhzDFqxXlS1HPfdLz/wkkM3DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:56:23.303681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021097
observed 9ddc8e23871e1e90b763ffa2385f6ee6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.280785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021097/manifest.json
observed bea7e350973894033de9db8fe886d9f7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.260523ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021097/publication.md
observed d95cfcfbf0c7c90867748249c8324af7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:23.239955ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021097/publication.txt
observed d728b5ecc523a107354224585a4b71e3...
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.