OpenTechnical

OT-2026-000015454

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off 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-2026-000015454) never changes.

Identity and time

Publication numberOT-2026-000015454 · never reused
Internal UUID01a0ae6d-ef4a-7a88-8265-ba1f132f0d31 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:55.421510Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015454
StatusPUBLIC

Content hashes

Canonical textcb0af0b958f8919256d3d5f77e72426e4cc41a57bc600f802c5a78c870268fb8
Markdown4aadc18b1dbd633e8471b958b23abda489172ce209013aa8b90feac5867370e8
PDF
Publication page9e7f18b2b97847fe94b9d44a54d014f55e6fa3d03de6da03d08e52679d7ff022
Manifest01ed922f82f9ceb02c761b382f93a968c9dce0c7fe6b97f2a1301a1aa19e6d9e

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
SignatureSwHxTUry2XG1VHUaq0lvtFdLN2ihMH8avPtPp2YyfFJL5iEvSfJGplCY2Hc9kToxvq9cX4fHXD40sHfCrVshAw==
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

2026-09-17T12:06:12.188397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015454
observed 9e7f18b2b97847fe94b9d44a54d014f5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.168618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015454/manifest.json
observed 01ed922f82f9ceb02c761b382f93a968...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.134536ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015454/publication.md
observed 4aadc18b1dbd633e8471b958b23abda4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:06:12.100589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015454/publication.txt
observed cb0af0b958f8919256d3d5f77e72426e...
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.