OpenTechnical

OT-2026-000029793

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, supply line 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-2026-000029793) never changes.

Identity and time

Publication numberOT-2026-000029793 · never reused
Internal UUID01a0ae73-5e24-743c-8e7e-839c5bc958c1 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029793
StatusPUBLIC

Content hashes

Canonical text13e0560eabdcf04c87f8614ad2f887709cfabeb75f1edcb1312f386d3c62f584
Markdownab2e81299852043c11b4aade1374fa573a6513f49343813ee0867e70a5dccce6
PDF
Publication pagec012bd417b9bf61d01a8acc1427612b9f33d4db9aca6697aac3f3549ddec5e42
Manifest2117ce4cec647bb16b53d413620c9210012dbf92b1a76d19c4c18e42c0c9e699

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
Signature3DqDyb/wTvVJOmFmsvUt8/Ylc1VEW902B9aqUb9AUcmK2g2D7h+TjkJuzs9CvGED54oXn/MwSgnpX5v30av5Aw==
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

2026-09-17T11:39:33.796395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029793
observed c012bd417b9bf61d01a8acc1427612b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.776541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029793/manifest.json
observed 2117ce4cec647bb16b53d413620c9210...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.757393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029793/publication.md
observed ab2e81299852043c11b4aade1374fa57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:33.737096ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029793/publication.txt
observed 13e0560eabdcf04c87f8614ad2f88770...
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.