OpenTechnical

OT-2026-000060936

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, sustained 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-2026-000060936) never changes.

Identity and time

Publication numberOT-2026-000060936 · never reused
Internal UUID01a0ae8b-12f3-7831-bfd7-034ad353c5ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000060936
StatusPUBLIC

Content hashes

Canonical texta3b41fe39f650cc3754782d887e5f6942df64b3451bac4dbf4a55a3743ae1123
Markdown677060c1fad1596969a2384b9b1858bc5b8a80154a28518a13d2dece314f03d9
PDF
Publication pagea90bc857344603f86112fe085a695d3e9727a8c975f3d244f2671be9e4de6066
Manifest05d648c7a8bccea24a3fc857468f2f726583adb9b566c7c885f238afad5798de

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
SignaturecFH5HATVCGsiOIyF6uUN3m28uxKnKiTRJGWLzlzKmdcP+E3RuwEFH7o+Jl8dFxAxbi3v2+sERz83BVf/A++kDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:12.501368ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060936
observed a90bc857344603f86112fe085a695d3e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.482829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060936/manifest.json
observed 05d648c7a8bccea24a3fc857468f2f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.464370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060936/publication.md
observed 677060c1fad1596969a2384b9b1858bc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:12.446184ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000060936/publication.txt
observed a3b41fe39f650cc3754782d887e5f694...
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.