OpenTechnical

OT-2026-000029561

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, three 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-2026-000029561) never changes.

Identity and time

Publication numberOT-2026-000029561 · never reused
Internal UUID01a0ae73-5e22-7a8f-af64-4dd557684fc2 · 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-2026-000029561
StatusPUBLIC

Content hashes

Canonical textc2dac1871fa62aa8a829355a50eb56c8a675266b30e0b2eca08ed4e7f229e92b
Markdown5e3080f0d9e7a7d72c2a5d6504d577e99779e3a51f146da08591a304ba5eef93
PDF
Publication page2c9530f97cbd2af615deb4fb80c12f99addc98e3d2ce0d193a7952b20ace073c
Manifest48f2f05f5501b093b86ccfb9f727936a7023ac0d7dc058779f78ed1aff75237a

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
SignaturerSLNoMPU5qjrsxnXca8lBEtz1jRytZHchKEg2aA3LF496l3hay8zrCk4Z4cFdFuVlpRa21t8wYkrWXDdHAq+Ag==
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

2026-09-17T11:39:15.392482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029561
observed 2c9530f97cbd2af615deb4fb80c12f99...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.374162ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029561/manifest.json
observed 48f2f05f5501b093b86ccfb9f727936a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.354099ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029561/publication.md
observed 5e3080f0d9e7a7d72c2a5d6504d577e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:15.335590ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029561/publication.txt
observed c2dac1871fa62aa8a829355a50eb56c8...
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.