OpenTechnical

OT-2026-000003675

Publication integrity record

Bellows cup vacuum gripper, common isolation valve, six outlet manifold, ejector fed

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-2026-000003675) never changes.

Identity and time

Publication numberOT-2026-000003675 · never reused
Internal UUID01a0a90a-b64c-73e4-85eb-e14b4faf3d3f · UUIDv7, RFC 9562
Publication timestamp2026-09-16T07:07:26.671766Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000003675
StatusPUBLIC

Content hashes

Canonical textae4f392eadfc7bd10e9b382c63975beb5ddbb11b355b2dbf662c018f7c01b282
Markdownad985a713eaa34a4201495b179ec818e59b1688c7a83ecfb2918c070710a208b
PDF
Publication page4dbc5192b6d124760dc0aa08903add7ae32a92e565c1b4a057d609b584b662fe
Manifest4bb9ee8b72b83d8dbfcf7f6c9df8c43e7a2673d25d7db9649b962b244a8fd96f

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
SignatureVQwdotoC44a2ChXXtMSLdPAwbyYSgKCJG4EpM4m6vcNEaQcfDZx9CXHFL+Q9p1xNlUYR49g7Lui2Yrp15hOFAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T07:27:02Z
batch OT-TS-2026-W38-009 · RFC 3161 token · inclusion proof
root aada101caea153fd76622afa3661a5b8...

Independent retrieval

2026-09-16T08:10:36.882681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003675
observed 4dbc5192b6d124760dc0aa08903add7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.740283ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003675/manifest.json
observed 4bb9ee8b72b83d8dbfcf7f6c9df8c43e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.725147ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003675/publication.md
observed ad985a713eaa34a4201495b179ec818e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:10:36.668822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000003675/publication.txt
observed ae4f392eadfc7bd10e9b382c63975beb...
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.