OpenTechnical

OT-2026-000025821

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single 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-2026-000025821) never changes.

Identity and time

Publication numberOT-2026-000025821 · never reused
Internal UUID01a0ae71-a83e-7b7f-b1f0-90c772fc5d20 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025821
StatusPUBLIC

Content hashes

Canonical text04a367de4c81dcada05bf97dd4b835992dd4c27e8cbf1cbe4785a0c4f6564c73
Markdown4a5722ba73cfa31519846e79d1347c7853a7de8863d46fa913febe2bfc967486
PDF
Publication page29d81b49fa45345a0b43be5aa7bebc06541cf9bdabff434eb8730658edc1354c
Manifesta4e189aaa72571bf2ac692d5a4283f7b1977b43e69e0dfcae7ad351933100015

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
SignatureSWjvE/9i18XqpUxU7RTe+NBJLKrvFK4/yAxdL35jOYr1DEFmfj7T9B5WSQAjS+PbjfpTZRTxQURg2Zl5OsOMBg==
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

2026-09-17T11:46:02.578016ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025821
observed 29d81b49fa45345a0b43be5aa7bebc06...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.563191ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025821/manifest.json
observed a4e189aaa72571bf2ac692d5a4283f7b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.545940ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025821/publication.md
observed 4a5722ba73cfa31519846e79d1347c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:02.530764ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025821/publication.txt
observed 04a367de4c81dcada05bf97dd4b83599...
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.