OpenTechnical

OT-2026-000020418

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000020418) never changes.

Identity and time

Publication numberOT-2026-000020418 · never reused
Internal UUID01a0ae6f-437b-7b58-917b-3004d46955e3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:22.507199Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000020418
StatusPUBLIC

Content hashes

Canonical textba63088474beeaceab8d12a32d3dea5c1b474e8e3d4efd2c0265a62c75ca113a
Markdown811f47c8ed442552c3c4ac6f6f19bc6a2a9830eb273358ace75a4a3d47d6eebe
PDF
Publication page2ddb2d84565822c4a5f97025864c32c88e207b7ca14a32a1224e0c329c04149b
Manifest7161dafa7eef9818cf4630626960d2b11edcecec5ed0ffb0cf6928b664a47f48

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
SignaturetSjjv87FXORrC7ZKbeN2UHwqCA7TYF1QVDle5bYG8FA3aj8Zo4gCKMAzMCUt/NZml3MuCdHhuXUGGNgEsuSgDQ==
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

2026-09-17T12:00:19.976481ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418
observed 2ddb2d84565822c4a5f97025864c32c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.958524ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/manifest.json
observed 7161dafa7eef9818cf4630626960d2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.940673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/publication.md
observed 811f47c8ed442552c3c4ac6f6f19bc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:00:19.923244ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/publication.txt
observed ba63088474beeaceab8d12a32d3dea5c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.938227ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418
observed 2ddb2d84565822c4a5f97025864c32c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.918252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/manifest.json
observed 7161dafa7eef9818cf4630626960d2b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.901659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/publication.md
observed 811f47c8ed442552c3c4ac6f6f19bc6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:57:23.884882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000020418/publication.txt
observed ba63088474beeaceab8d12a32d3dea5c...
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.