OpenTechnical

OT-2026-000029477

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, 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-2026-000029477) never changes.

Identity and time

Publication numberOT-2026-000029477 · never reused
Internal UUID01a0ae73-5e21-7fbb-a2d1-a9e0ef52d421 · 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-2026-000029477
StatusPUBLIC

Content hashes

Canonical text8c8f4f64afd070db082f37c52e9e3a7f721bee5226e95b8f69b748291805d5ee
Markdown393511e1151031b00a27d33bcc6902e204e497f371817f8cdf8a1e253b6ee63a
PDF
Publication page1b8f29bd37cfc6fbceb53d43f30db349a2410909cb2b4acde5840933d3c3588a
Manifestc9b54b2e96d72155ebf3953c6a4a558f9fbf91d48cf882f285cd5aa7097d9850

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
SignaturejY8mfrLrKhDRvhWUgb/bi3FqBkdphhiw/Za+BUtDAaZp+ZOJZ+UwWzBJ1zfAccsPo9sFspfck2ey+Xcux9LnAA==
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

2026-09-17T11:39:06.111023ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029477
observed 1b8f29bd37cfc6fbceb53d43f30db349...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.094665ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029477/manifest.json
observed c9b54b2e96d72155ebf3953c6a4a558f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.078942ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029477/publication.md
observed 393511e1151031b00a27d33bcc6902e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:06.062733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029477/publication.txt
observed 8c8f4f64afd070db082f37c52e9e3a7f...
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.