OpenTechnical

OT-2026-000057918

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000057918) never changes.

Identity and time

Publication numberOT-2026-000057918 · never reused
Internal UUID01a0ae88-6ed9-7654-ab07-7c9308d8c9f6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:42:52.020108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000057918
StatusPUBLIC

Content hashes

Canonical textd6ad1bc525e510e9f43f1cee9e418ba62c111d8f708005afebc9f5cac16af8cc
Markdownba5ef63ac142a23de2502260198e50c0dbfbbedd3c351a916594827986e8f1d8
PDF
Publication page6436a2a064aa3d8d00d2f51978a619d166fad40cd48c2bfa42c46989723cd0a6
Manifest0af9dc32490ffbb80cd384a77cc7fd26a61e731d17be0e784ed0f08879dc5f40

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
Signaturec8qWQjHCRlWst/jQ1Q3me1cOiHBCzmNDJZYd3Rm0AeskQ4LdaNX0snOnm861Diyt0Lu5Zf/Zi5pBjSkg4lm/AA==
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

2026-09-17T10:47:31.530206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057918
observed 6436a2a064aa3d8d00d2f51978a619d1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.511663ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057918/manifest.json
observed 0af9dc32490ffbb80cd384a77cc7fd26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.491503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057918/publication.md
observed ba5ef63ac142a23de2502260198e50c0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:47:31.473322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000057918/publication.txt
observed d6ad1bc525e510e9f43f1cee9e418ba6...
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.