OpenTechnical

OT-2026-000053654

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, 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-2026-000053654) never changes.

Identity and time

Publication numberOT-2026-000053654 · never reused
Internal UUID01a0ae85-0a95-7033-87ab-aad1e9602b0d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053654
StatusPUBLIC

Content hashes

Canonical textdc853314c92ba5893df1e8b4344e248aea1211da5a1a5a0c7eda18609e0ae736
Markdown1defb24a6bf95a607a265ddb62e6868f63a27664ed1f30e6e034bfd4cb1a8b5e
PDF
Publication page511e7a9b7c36f65a1d99b71c3888934bb3688aa3535013fe94d70c0ffdece04f
Manifest136335573475d770f3f1309977986b13470de20c73c02a717c9d3aa544ffd8b8

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
Signaturez3oeYxTEdpeHjZldQlVtjeY5oighpyujlc4gmmFAVYXq3vFxyhkyXyiLD8AVFKA3xPyMUAvI+/hiqRefGXr3Ag==
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

2026-09-17T10:55:32.529611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053654
observed 511e7a9b7c36f65a1d99b71c3888934b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.511731ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053654/manifest.json
observed 136335573475d770f3f1309977986b13...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.492058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053654/publication.md
observed 1defb24a6bf95a607a265ddb62e6868f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:32.473613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053654/publication.txt
observed dc853314c92ba5893df1e8b4344e248a...
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.