OpenTechnical

OT-2026-000081778

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, supply line pressure sensor, vented 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-2026-000081778) never changes.

Identity and time

Publication numberOT-2026-000081778 · never reused
Internal UUID01a0ae97-0f74-7942-b823-66564d05744b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:50.648824Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000081778
StatusPUBLIC

Content hashes

Canonical textc6125f984b185c24eaa8b02f5fd65f584666c9bccd62cb0b087f863df287f7a3
Markdownc0afad4ce8d7ac5249a07db567bb5ed70f0ec57b676af8104adc1deba51077eb
PDF
Publication page14763e2afc11cae72c50d6b0da792874caaa1e19bfccca2887efd3347dc80f53
Manifest8394efad0e76dca4cc7c01bcb258bb26387f125fdf5e4385cd2737095f2b2b87

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
SignatureAbolFxAlccaUg5xgZRkDrHWwxh0XgPK1bMK5ZRkvojmM/7EBf796WACkfUzblvYCkHkUUskvYQefyLcfepiiCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:59:52.375837ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081778
observed 14763e2afc11cae72c50d6b0da792874...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.358674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081778/manifest.json
observed 8394efad0e76dca4cc7c01bcb258bb26...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.341101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081778/publication.md
observed c0afad4ce8d7ac5249a07db567bb5ed7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:59:52.323512ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081778/publication.txt
observed c6125f984b185c24eaa8b02f5fd65f58...
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.