OpenTechnical

OT-2026-000075664

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, three stage ejector, supply line pressure sensor, vented 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-2026-000075664) never changes.

Identity and time

Publication numberOT-2026-000075664 · never reused
Internal UUID01a0ae94-29fd-7844-8f8f-3d08fc762f84 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:40.814795Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075664
StatusPUBLIC

Content hashes

Canonical textfa7bf88237766af4b526b9102127ab82ee780acb526e0f0bff4587b4f8e7a1c3
Markdown3239a42581ca4dbb222d9a2d39e97c74632dadd614999bcb247ca21299f5dc61
PDF
Publication page056633e0bec46c6e2b1ee40141d246b07eb5d494be7cc0ded66616909a9e1d2b
Manifest0e4cfe6f5f691035e753f63e5159981dbe2166eb8e37b84cb505842c57911d9c

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
Signature638Xl6zCvVL80v00t/sgXsKz1ytrh8L4LAuMfGtwz0jT1lTmzxKZw0GPWC5GyZRMg0v/6T4WC4CnlBu5moyTDQ==
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

2026-09-17T10:13:45.815689ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075664
observed 056633e0bec46c6e2b1ee40141d246b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.797860ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075664/manifest.json
observed 0e4cfe6f5f691035e753f63e5159981d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.777881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075664/publication.md
observed 3239a42581ca4dbb222d9a2d39e97c74...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:13:45.752072ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075664/publication.txt
observed fa7bf88237766af4b526b9102127ab82...
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.