OpenTechnical

OT-2026-000056270

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000056270) never changes.

Identity and time

Publication numberOT-2026-000056270 · never reused
Internal UUID01a0ae87-4bd1-7704-a72c-c410f067075a · 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-2026-000056270
StatusPUBLIC

Content hashes

Canonical texta2c485ee8f124ed46e288b1047469c7162a2618c8530c065a4ffe83e47b361ac
Markdownf776a76a6368133de83f471907e25a43a903df1b2580ca2489be34d6781dcabc
PDF
Publication pageb7312f3c665a0662d470b013b0f0f0b4c23322a186bedd1d0525cef9d29db927
Manifestf8b286e96ea82e773d9863b1420d107a96556f5467fe547c23349d45be5beeee

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
SignatureV/D6OnHBN4lErOG8TCvHkplBbtNfNrGwoJJXJFUUhsmt4bqG/PEtREhYInANOvQwoY0RSb03p1Dq1hjcx05sBw==
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

2026-09-17T10:50:45.345897ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056270
observed b7312f3c665a0662d470b013b0f0f0b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.328140ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056270/manifest.json
observed f8b286e96ea82e773d9863b1420d107a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.311444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056270/publication.md
observed f776a76a6368133de83f471907e25a43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:50:45.293405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000056270/publication.txt
observed a2c485ee8f124ed46e288b1047469c71...
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.