OpenTechnical

OT-2026-000034232

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000034232) never changes.

Identity and time

Publication numberOT-2026-000034232 · never reused
Internal UUID01a0ae75-df0d-7123-b18d-6baedc992d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:35.550760Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034232
StatusPUBLIC

Content hashes

Canonical text4c074b570e8c07df7147e9f2254f6615a5b84904abe7b56a7ce12a0e6c1fab74
Markdown84cbbfc8e4d78f29fb39e603f78b611f726b1ff89521cefe71c5f7aef87f01ed
PDF
Publication page0e0fdc5a950fae63de4f41acaf2e532f93362d821ac285e950aed06adeff0537
Manifest8611f966640ffe71f71c8c22144dcde5141c7b365ab34bf467303d1d7223cc02

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
Signature4n5Q26MNfEbTAW2OZ64MLM81i/8Bc7bO3M6R2LNyNtGU+tMzvQDhBlowpsrM4LI150nMZY91Wog/vWnPb0X7Dg==
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

2026-09-17T11:30:47.090156ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034232
observed 0e0fdc5a950fae63de4f41acaf2e532f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.071984ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034232/manifest.json
observed 8611f966640ffe71f71c8c22144dcde5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.055515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034232/publication.md
observed 84cbbfc8e4d78f29fb39e603f78b611f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:30:47.037303ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034232/publication.txt
observed 4c074b570e8c07df7147e9f2254f6615...
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.