OpenTechnical

OT-2026-000049024

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold pressure sensor, pulsed 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-2026-000049024) never changes.

Identity and time

Publication numberOT-2026-000049024 · never reused
Internal UUID01a0ae81-134d-74c8-8c15-bc71feed48c6 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:49.967260Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049024
StatusPUBLIC

Content hashes

Canonical textba5d28e9f468767e7d88d640632a668df3a49ebd798db969bb7b725fadaf904a
Markdown82a1d87cca57b6dc890dca3d1b12d17a4bdf9b7ed15b2a68aeb444fe2eb2e6ae
PDF
Publication page612d29034427bf844d78768fc409d84f91bda9191442ecaa50a9047f9df15a6a
Manifest4c1d7769ab0414688563598291add1731bcd15cf1001e55cc1336f375b207370

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
SignaturejPaXi9yPDt5VOmFOn2SwK5/6LpDNisnObz29pfUDl//WihOgKpzfwfI6MXRmLC5JLyO5JStAcI+Ebzd+Ty4HAg==
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

2026-09-17T11:03:14.540468ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049024
observed 612d29034427bf844d78768fc409d84f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.523067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049024/manifest.json
observed 4c1d7769ab0414688563598291add173...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.503947ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049024/publication.md
observed 82a1d87cca57b6dc890dca3d1b12d17a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:03:14.486097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049024/publication.txt
observed ba5d28e9f468767e7d88d640632a668d...
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.