OpenTechnical

OT-2026-000019030

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000019030) never changes.

Identity and time

Publication numberOT-2026-000019030 · never reused
Internal UUID01a0ae6e-d523-77c5-9417-a7b28932c8c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019030
StatusPUBLIC

Content hashes

Canonical text26abf1a3a1d37cbd9bce1c84ee735533471624635c31963a461eaf666034940d
Markdown4b1feda5203831113759c84d65957f80eb907a733547ee312cec36e4ded8e611
PDF
Publication pageea44e4b35f4c817c11933c2fbf621beb377acd84b8c88f2364e2d004dbf65ea8
Manifeste2b4102ecb8f1b6eb38bb730bec1fb7347f11254c1f5b885bf62f5e7bf8007a9

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
SignaturefCMSDgKN6Y4CI9jTF6Lm1+qNELY/BNyM6x+1bJ0q5JeIGZq+SrQL7+XISv+v7DQ9eXqfThojEj4fTbHx5VWMAQ==
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

2026-09-17T11:59:43.167777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019030
observed ea44e4b35f4c817c11933c2fbf621beb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.151151ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019030/manifest.json
observed e2b4102ecb8f1b6eb38bb730bec1fb73...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.133417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019030/publication.md
observed 4b1feda5203831113759c84d65957f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:43.115246ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019030/publication.txt
observed 26abf1a3a1d37cbd9bce1c84ee735533...
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.