OpenTechnical

OT-2026-000035169

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, 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-2026-000035169) never changes.

Identity and time

Publication numberOT-2026-000035169 · never reused
Internal UUID01a0ae76-6a1d-763b-b9a5-abae980bb399 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035169
StatusPUBLIC

Content hashes

Canonical textc0ea7e1eb1c270787ec17edd8031f017c74279a09868c8639d1e0a358293fe0a
Markdownd41ec336af246c9a47b3e19b966e87ec53c458c2935ba18088a0444a1da28a9f
PDF
Publication page14f0a6bc60eb48cebb99e1d92c5d2a720a78841bbd2eb5b37abc9e8687872b8b
Manifest4550914716927067495f4c138995079f642d8c19ad5c2660c2d4d1ba4f3dd1c0

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
SignatureIET8M0fEZA9B52mx7Oi/X070z6SVucsImePo+fjuESpj12o/brvOKF/UJK5hiKARa9ouQzdrVJ9kI3xvpShBAw==
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

2026-09-17T11:28:16.035699ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035169
observed 14f0a6bc60eb48cebb99e1d92c5d2a72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:16.017389ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035169/manifest.json
observed 4550914716927067495f4c138995079f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:15.998564ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035169/publication.md
observed d41ec336af246c9a47b3e19b966e87ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:15.959120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035169/publication.txt
observed c0ea7e1eb1c270787ec17edd8031f017...
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.