OpenTechnical

OT-2026-000039880

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, three stage ejector, 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-2026-000039880) never changes.

Identity and time

Publication numberOT-2026-000039880 · never reused
Internal UUID01a0ae78-d8d6-7742-97ce-85bbed04bb2d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039880
StatusPUBLIC

Content hashes

Canonical text59574216a49604269b172f577f22779ef207885747e32dcd72da3dbf3992c9e4
Markdown0bb00ef5f16b17f609ba20e08fdf1c71c23444c69fa1a667b1d44ee807a5caf8
PDF
Publication page85f86c905e4af3c8e1e43d125b2409ef1a7b5a7a3be7d24d8a46a9eb9c56504b
Manifest64c85eb102b2fc52f9762a7493082e179779c299362d345e8c993efc9003d294

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
Signaturedowi5oe/6rnxL6IAtHqCjL/VP8T6ADx2gyqS4RSd7qtM52gOF6b4I4oFA8JGYaLwJ2QCT30ryIi1NNBog7+rCA==
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

2026-09-17T11:20:09.832696ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039880
observed 85f86c905e4af3c8e1e43d125b2409ef...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.814845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039880/manifest.json
observed 64c85eb102b2fc52f9762a7493082e17...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.796932ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039880/publication.md
observed 0bb00ef5f16b17f609ba20e08fdf1c71...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:20:09.776765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039880/publication.txt
observed 59574216a49604269b172f577f22779e...
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.