OpenTechnical

OT-2026-000025569

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000025569) never changes.

Identity and time

Publication numberOT-2026-000025569 · never reused
Internal UUID01a0ae71-5fa8-7663-8678-f05bcf2c6a43 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025569
StatusPUBLIC

Content hashes

Canonical text3efff665000a697fc98c475026c37a72b73ccce95538a838a00dc23e171ba1b9
Markdown3a5c0341c80946afc05f44cc028382bf3a3691e9759119ff8fecb4f1ee35ca31
PDF
Publication pagedd559210fee3e5b6530dbc7b984b35de8da4326265960154e5fa112f73d23d7c
Manifest574f05803b5e7d3bcc303ebbbb1080458255a3e9b302967eb87ba776b91daffc

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
SignaturebfLMwzRdxSTwA2yDTlAiIHPMsWNKjI5HTxQTS/ILXsDai8MLRX0mX+zsb8f9DubvrbDOL9JrlrJM5K0egIsNCw==
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

2026-09-17T11:47:43.692043ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025569
observed dd559210fee3e5b6530dbc7b984b35de...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.674047ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025569/manifest.json
observed 574f05803b5e7d3bcc303ebbbb108045...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.654559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025569/publication.md
observed 3a5c0341c80946afc05f44cc028382bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:43.633700ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025569/publication.txt
observed 3efff665000a697fc98c475026c37a72...
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.