OpenTechnical

OT-2026-000040084

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, 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-2026-000040084) never changes.

Identity and time

Publication numberOT-2026-000040084 · never reused
Internal UUID01a0ae79-26fd-76a6-92e3-cb5ab331a47f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:26:10.588850Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000040084
StatusPUBLIC

Content hashes

Canonical text9b063b9e06e5fd57c9916c2b60660e790d6af61467ab547c40c88ce840adf327
Markdown15e0b25fab3b7a402108187510d9a9fff40dfc99412b8b7944eadfd6b7d21c32
PDF
Publication pageffac9042c2ec9551c88818c1be9b45589ab8cf7fc162b72c4b610e1b780c792a
Manifestd5d2684163a52703baeed0103217006e1e969bf78d6a40b66371f3b31d6db7ae

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
SignatureIgP2PprrU2ifBawpGRTV86iX4AFKoCUyJgmcQljCitEDaV5IiOK3vHfmIRX/De4FLuYkx5jNtA1dPPCQA3/gDQ==
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

2026-09-17T11:18:55.922221ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040084
observed ffac9042c2ec9551c88818c1be9b4558...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.907073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040084/manifest.json
observed d5d2684163a52703baeed0103217006e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.891793ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040084/publication.md
observed 15e0b25fab3b7a402108187510d9a9ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:18:55.874768ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000040084/publication.txt
observed 9b063b9e06e5fd57c9916c2b60660e79...
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.