OpenTechnical

OT-2026-000019526

Publication integrity record

Foam pad vacuum gripper, common isolation valve, two stage ejector, 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-2026-000019526) never changes.

Identity and time

Publication numberOT-2026-000019526 · never reused
Internal UUID01a0ae6e-f394-7f9a-8d41-aaca33a5ea96 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019526
StatusPUBLIC

Content hashes

Canonical textd7ecd88969a109ff97cb951f05a493c2c3accc712173fae6d7f405c06ffc63b8
Markdown692fff6fbafad5b609a92169128ae96a973264503debe00ffb6870d677a6e08c
PDF
Publication pageccb1595b6f591287580bcd09b171547721aac5c2a02c08d50c10e3ce5596aa0a
Manifest3ed90374e94b7289d77cccc618c6237604815aa7424df7e93590793c6b74d370

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
SignatureolmMwB7dglpqAz3dXJ9VwYPJgc4aIMogOKYco5cVEj3DJrksP6kJZg0ToPZSQUaZHK0GO0Gw2Kmg06IMEVTLDw==
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

2026-09-17T11:58:57.798023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019526
observed ccb1595b6f591287580bcd09b1715477...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.776613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019526/manifest.json
observed 3ed90374e94b7289d77cccc618c62376...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.758664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019526/publication.md
observed 692fff6fbafad5b609a92169128ae96a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:57.741847ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019526/publication.txt
observed d7ecd88969a109ff97cb951f05a493c2...
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.