OpenTechnical

OT-2026-000035041

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, pulsed blow-off 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-2026-000035041) never changes.

Identity and time

Publication numberOT-2026-000035041 · never reused
Internal UUID01a0ae76-6a1c-7b85-b4df-be8102a3ff9c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035041
StatusPUBLIC

Content hashes

Canonical texta97d608cf6be3524ea563c653520e9fb879952efdf044544cee0c1c8370f278b
Markdown92587b9beaab3b6cc3071d7dad4fd1b24ea507e2400bf8c5d56133df0ea24f02
PDF
Publication page6f24998d2c7c53af30ca2a4f3dd497b965baef42c5db86289ffc0c2bf1d4c2b8
Manifest865a6f5dfdbf12bcf22aa15ca047ce42e1668f0ac0caa464f3331fe0fc943d8c

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
Signature+lP8/9bZaDSAo+YfGvtjV7kEuQO3VheatZOuDvKhceRejhzZpSQJ6IH6ueA5ElO9A5MweoupdbfaSMdsXUWoCw==
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

2026-09-17T08:41:14.747097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035041
observed 6f24998d2c7c53af30ca2a4f3dd497b9...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:14.565334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035041/manifest.json
observed 865a6f5dfdbf12bcf22aa15ca047ce42...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:14.246205ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035041/publication.md
observed 92587b9beaab3b6cc3071d7dad4fd1b2...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:41:12.984750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035041/publication.txt
observed a97d608cf6be3524ea563c653520e9fb...
fetched by grabo-systems from 34.44.131.203, 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.