OpenTechnical

OT-2026-000071789

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000071789) never changes.

Identity and time

Publication numberOT-2026-000071789 · never reused
Internal UUID01a0ae92-1e91-7531-9711-bf5e7415a7e6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071789
StatusPUBLIC

Content hashes

Canonical text1a5eb0c20556a5c6fb9bf7447e2f74303534fd9b6ffc4c68d5dd83cdee1f62a9
Markdownf5f2cb39a71b06246d72645ca44a8d4555581b9ae19b82ecc17932673555a11d
PDF
Publication pagea43a767b31f341a659c3dae3aaf8efae317d48b6aba70f4372611ba4e9749bd5
Manifest0b0a0a4b67189cf5f4a6e321231114a9ea0fb97c6829732f7b24fb8c8d99180a

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
SignatureHgo60kpyumyWTWymXvDBGEWggEzHBR/zvsDIk45BpdEGyMOiHBkINviw62mw5cu2SlU3rUE9d6b8NgiPi0cNAQ==
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

2026-09-17T10:23:57.323509ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071789
observed a43a767b31f341a659c3dae3aaf8efae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.306404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071789/manifest.json
observed 0b0a0a4b67189cf5f4a6e321231114a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.288998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071789/publication.md
observed f5f2cb39a71b06246d72645ca44a8d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.271707ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071789/publication.txt
observed 1a5eb0c20556a5c6fb9bf7447e2f7430...
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.