OpenTechnical

OT-2026-000081846

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after 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-2026-000081846) never changes.

Identity and time

Publication numberOT-2026-000081846 · never reused
Internal UUID01a0ae97-0f75-718f-b190-b138d60c1f83 · 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-2026-000081846
StatusPUBLIC

Content hashes

Canonical text82d67cb4d532d4e087ec72ecb95fb0447fe868f11dce491bc8ce9abc267e48d0
Markdown2279a5fe2d7295ad7c783ece3e1741ad3e9c1a7e765c38fdbddc3202dfcbed32
PDF
Publication page3f1a4a0be005bd192490873693730efd80ecc41c87ea3c7d364dca3cd3b44f82
Manifest9e892128f74835e569480071118f68f06b3c61537fd6a52e70de183bb74b8dc8

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
SignaturejZnhIcboQhAa6vVWGmA7sfQOAgQUaLeOYaDKIdIPC0/LXm7qWg/G89yxQ2bKtcd9wKGBgEJmxuLpxOKPYgWPBw==
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

2026-09-17T10:00:57.516381ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081846
observed 3f1a4a0be005bd192490873693730efd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.491157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081846/manifest.json
observed 9e892128f74835e569480071118f68f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.470099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081846/publication.md
observed 2279a5fe2d7295ad7c783ece3e1741ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:00:57.451175ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000081846/publication.txt
observed 82d67cb4d532d4e087ec72ecb95fb044...
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.