OpenTechnical

OT-2026-000058474

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two 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-2026-000058474) never changes.

Identity and time

Publication numberOT-2026-000058474 · never reused
Internal UUID01a0ae88-f39b-7801-b9df-2ceef7e8a7ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:43:25.998432Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000058474
StatusPUBLIC

Content hashes

Canonical texta1c53bb847b1039793ebe0cd5b3b9086fd6c2479219f66c52da867e73a9924dd
Markdown2b495065b7529b72f4091f96f4c3cc0d49a872fce0cda52ef6fccb74c823a76c
PDF
Publication pagebf5fa886c7e6afd19c99864ffdf6ac5e458e01ca1c8d29c9393107592ebb14ef
Manifest9a1d5a0bb009bfaf17e8dfb1613c06d0c244209719de86599b26efaa77733e5d

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
Signature9HMKPFA+7NWEz8q0fZonB4KShiZEY4dMjRrap5VZ50ZYLRn1vr4gg5wkWBpf14vZyZT3phOeOwmUBomJu5p6Dg==
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...

Independent retrieval

2026-09-17T10:46:55.701884ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058474
observed bf5fa886c7e6afd19c99864ffdf6ac5e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.684415ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058474/manifest.json
observed 9a1d5a0bb009bfaf17e8dfb1613c06d0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.666859ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058474/publication.md
observed 2b495065b7529b72f4091f96f4c3cc0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:46:55.648993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000058474/publication.txt
observed a1c53bb847b1039793ebe0cd5b3b9086...
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.