OpenTechnical

OT-2026-000037554

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, 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-2026-000037554) never changes.

Identity and time

Publication numberOT-2026-000037554 · never reused
Internal UUID01a0ae77-b8ce-746e-a5d3-a667d436b955 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037554
StatusPUBLIC

Content hashes

Canonical text2fd89bbc848746f1cc6dc2777db5cd824f13f1ecd3d5e458c3f0b59873591ab5
Markdown7be169daf3bc030c41a77311145f45110cee4f6b4f259ab15a3b376db811a04a
PDF
Publication page13363a2c05dcbeaba6c24ceae28fe31829af60cc3f4fb277517800ba3741d4f1
Manifestb371af05d477647f731030069335e667da583e8070e71968437e188705ae1c54

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
SignaturewqlB3Klb9KMHEqLI0AnPSHk+Y5LgiPiz8vsEg1dpgvfJJmFJSB9Hru5EJiGSQzPLSmOPF/nNBVXxixnkKHVZBA==
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

2026-09-17T11:24:05.836129ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037554
observed 13363a2c05dcbeaba6c24ceae28fe318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.816578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037554/manifest.json
observed b371af05d477647f731030069335e667...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.796911ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037554/publication.md
observed 7be169daf3bc030c41a77311145f4511...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:24:05.777212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037554/publication.txt
observed 2fd89bbc848746f1cc6dc2777db5cd82...
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.