OpenTechnical

OT-2026-000017064

Publication integrity record

Single bellows cup vacuum gripper, plant vacuum fed, supply line 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-2026-000017064) never changes.

Identity and time

Publication numberOT-2026-000017064 · never reused
Internal UUID01a0ae6e-591b-738e-a3e4-0fe1ab5fee7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:22.507214Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000017064
StatusPUBLIC

Content hashes

Canonical text054ac77acdff2784d96846e21e53169534a81cf70a09b71e8797738d1767e27d
Markdown6b4f10a3199eae39e7ebd5a0dd0e60ad2f933902c6c3aceab20d509aebfc86ea
PDF
Publication pageadd084e88cdea64e34356264c675cb629c6baa57c0c3339df05258f246930e87
Manifest46139ecf2f1881af21acee1a14da812f91ea77f9cac7597caea1dec599e0805c

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
SignaturecmcNpE7aM0CXojOLkfoS27AVHKobVKO/25IouEJKsIpTNDwFRWgu/HdCLil7Vj9s6vflOyYR/p2jmhdV7va8CA==
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

2026-09-17T12:03:29.006661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017064
observed add084e88cdea64e34356264c675cb62...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.991191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017064/manifest.json
observed 46139ecf2f1881af21acee1a14da812f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.974383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017064/publication.md
observed 6b4f10a3199eae39e7ebd5a0dd0e60ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:03:28.956672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000017064/publication.txt
observed 054ac77acdff2784d96846e21e531695...
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.