OpenTechnical

OT-2026-000092819

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line pressure sensor, sustained blow-off before set-down, on a tool changer

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-2026-000092819) never changes.

Identity and time

Publication numberOT-2026-000092819 · never reused
Internal UUID01a0ae9d-b601-7d96-a1d7-0f34aed77aee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092819
StatusPUBLIC

Content hashes

Canonical textc40c96aed636403b6e852ce36f3db9d76561712288f7709781da7f6dc963e211
Markdown86fa49e372cc1dd52079008e8c20d2897f2f7c25213c80ed67102c93c850bee3
PDF
Publication page3e349f946d94519307054d8c91b9760581433069442ea7620b197fcf40f3ea55
Manifest9f3bf80d4bc35f68a04f74538053af00ca13e12197c47c06e33b92a344229f63

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
SignatureUwrduxsS8xjsXPvgQoolMCqt5Dpt8/hqDRbJqOFAdo0KCLC88gfjQPiGCbuOOw+ZSsmbZikMG8UDqSstoFOrAw==
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

2026-09-17T09:40:46.369181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092819
observed 3e349f946d94519307054d8c91b97605...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.353023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092819/manifest.json
observed 9f3bf80d4bc35f68a04f74538053af00...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.335704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092819/publication.md
observed 86fa49e372cc1dd52079008e8c20d289...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.318482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092819/publication.txt
observed c40c96aed636403b6e852ce36f3db9d7...
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.