OpenTechnical

OT-2026-000021058

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, manifold 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-2026-000021058) never changes.

Identity and time

Publication numberOT-2026-000021058 · never reused
Internal UUID01a0ae6f-65e5-7779-8536-506b2de45f0c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:31.316024Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000021058
StatusPUBLIC

Content hashes

Canonical textc0e8cd56c4eacd00631ce79ba4842e7c0af0f85b812f6104018e51809ae33651
Markdownb610f3362c3828b9002eed0c4b4b4449351ef68eb34e2c1603d39f60dad8c55f
PDF
Publication page18b73e828e2fb54632b3dcd8630eafdf1599ba10b97892d1ae762161fccf275c
Manifestacd05dc0769373fa5a4234c4a70be96e1fabc65db21b0b7e60b1c5757c0a651e

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
SignatureqdUJJ69y20cIRkjF2nuTdxuOHCK6fvM9OML7DeSz1a6OhQ7BIBJmU/XSX+ianB3+SfpwtmrYGp/ZeCof7E7uAA==
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

2026-09-17T11:56:13.641204ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021058
observed 18b73e828e2fb54632b3dcd8630eafdf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.622785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021058/manifest.json
observed acd05dc0769373fa5a4234c4a70be96e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.604963ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021058/publication.md
observed b610f3362c3828b9002eed0c4b4b4449...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:56:13.586557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000021058/publication.txt
observed c0e8cd56c4eacd00631ce79ba4842e7c...
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.