OpenTechnical

OT-2026-000032126

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, pump fed, pulsed blow-off after 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-2026-000032126) never changes.

Identity and time

Publication numberOT-2026-000032126 · never reused
Internal UUID01a0ae74-f7a5-775a-8c15-c88862b79d33 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:36.332587Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032126
StatusPUBLIC

Content hashes

Canonical textf9eb4f737207b13bfaed8b3d2ff24258ce78c0b415dd7a86a0b93683f9c3e45e
Markdown231b79e9cc77ed83ab4a7f9c18f5bbb7d2190fbfee21d345f4a623991588f9ad
PDF
Publication page6fcfa0cb38904ddafadf321295b9985bb8ab23803dd7d8ff26368ba68557c6fb
Manifestbb885f458330b1f77dd905a229b00c7a9a60c8e16bd8edbab4b924210e7deabd

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
SignatureOiSSduKo2F94MFy8M+gncunzOL9AYZw2/LISkw0qEg63mNO/hdl51wXCCmUBoNXZu8B0tgU2hxo8xGaj0Q6yCg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

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

Independent retrieval

2026-09-17T11:34:26.613648ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032126
observed 6fcfa0cb38904ddafadf321295b9985b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.596409ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032126/manifest.json
observed bb885f458330b1f77dd905a229b00c7a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.579998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032126/publication.md
observed 231b79e9cc77ed83ab4a7f9c18f5bbb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:34:26.563535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032126/publication.txt
observed f9eb4f737207b13bfaed8b3d2ff24258...
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.