OpenTechnical

OT-2026-000035189

Publication integrity record

Four cup vacuum gripper, four outlet manifold, common isolation valve, pump fed, supply line 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-2026-000035189) never changes.

Identity and time

Publication numberOT-2026-000035189 · never reused
Internal UUID01a0ae76-6a1e-7b1f-8612-249679f03cb4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:23:11.150702Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000035189
StatusPUBLIC

Content hashes

Canonical text5a2b17864e24ca87318aae08c0db2e4d3e05e5c6c701caa57599c623670e1cbd
Markdown7a4d5cc344c2f62f06fef621d58a0466a27f0d71f0fb01b83c875c980334a173
PDF
Publication page835abd2c5f383f01629f81e28e4435dae3194054d2cf639baae01ab3ac537e38
Manifestb40e277b74aac23fd548d563159a8cf85f5aea3ecf3dbc4c5dddd236e753a544

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
SignatureMaVDxQwx0NJimnhs7UCCgMl8QMeOGYYWU/uFoMjEhzAnAH0u+VGINWr6ikRtaVy+NOgoJ2PxLudZmcgzJyolAQ==
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

2026-09-17T11:28:18.644702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035189
observed 835abd2c5f383f01629f81e28e4435da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.628006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035189/manifest.json
observed b40e277b74aac23fd548d563159a8cf8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.610061ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035189/publication.md
observed 7a4d5cc344c2f62f06fef621d58a0466...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:18.586915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000035189/publication.txt
observed 5a2b17864e24ca87318aae08c0db2e4d...
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.