OpenTechnical

OT-2026-000056234

Publication integrity record

Foam pad vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000056234) never changes.

Identity and time

Publication numberOT-2026-000056234 · never reused
Internal UUID01a0ae87-4bd1-7532-8b40-10f5feba48a0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:41:37.517586Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000056234
StatusPUBLIC

Content hashes

Canonical text00a903d3f7463ff8bd5d5cfc287ac05642b0e9a1be25d74c0e7527f6d641d1e1
Markdownc612e250024b6d70155f0674fcd7a25d5885654f861ef73b2afdd644945166f9
PDF
Publication paged1cdb0a6c1b7a4da430f2d04d6c55c8c2450cb33fd761631255d16f3cfc6ec13
Manifestdc96a75722986c70b4e2c89f9fc5bc98f6bf56e48e253b9cb56fee0bbf502925

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
Signature6nEfpF/EJc/Zxs8rK3mG2RaCkMkkg3zQ6NGzzDHJt9Qvkc03iNbQSIRDymO3HQPUieeZd4iv0QYRVhix4LeoCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:50:42.729651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056234
observed d1cdb0a6c1b7a4da430f2d04d6c55c8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.711231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056234/manifest.json
observed dc96a75722986c70b4e2c89f9fc5bc98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.693749ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056234/publication.md
observed c612e250024b6d70155f0674fcd7a25d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:42.676495ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056234/publication.txt
observed 00a903d3f7463ff8bd5d5cfc287ac056...
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.