OpenTechnical

OT-2026-000084074

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, common isolation valve, two stage ejector, manifold 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-2026-000084074) never changes.

Identity and time

Publication numberOT-2026-000084074 · never reused
Internal UUID01a0ae98-5b5e-7748-b90f-77c2a9435aa8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:00:15.619216Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000084074
StatusPUBLIC

Content hashes

Canonical text87e0f2b0d970defef700d4e937681513d822fa3074aacfad50ed76961161da63
Markdown406fe3231b0fa6bafd55052e41aaec2dffec2ac0b67f0f81206227b1af520827
PDF
Publication page5deddbb2fd128545e570879ce8eacfb1566b3978082d1dee5b7c5a62cff1c963
Manifest97e961ccef0587e6ec4c7462be56a307e8b92a09c329c34c477c86faf4704086

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
SignatureCUqyCN/EKTqC4mWXIlPHnEWY7RG0xUmp/RchhpZ72etzJUWaPV0FLXvN2MIAhrRF0FTEZ/WJMlAPbNCLK1ttAA==
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

2026-09-17T09:55:48.906480ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084074
observed 5deddbb2fd128545e570879ce8eacfb1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.887886ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084074/manifest.json
observed 97e961ccef0587e6ec4c7462be56a307...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.869642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084074/publication.md
observed 406fe3231b0fa6bafd55052e41aaec2d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:55:48.850998ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000084074/publication.txt
observed 87e0f2b0d970defef700d4e937681513...
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.