OpenTechnical

OT-2026-000055471

Publication integrity record

Three bellows cup vacuum gripper, three zone face, common isolation valve, two stage ejector, supply line pressure sensor, pulsed blow-off before set-down

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-2026-000055471) never changes.

Identity and time

Publication numberOT-2026-000055471 · never reused
Internal UUID01a0ae86-a102-7ab5-92d6-14ccaf2910d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:40:53.783868Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000055471
StatusPUBLIC

Content hashes

Canonical text3703f099bfd3852d7f8b7807d4b47f0ab3214088dcb0ce3f7fc27e10e6a5e46d
Markdownf299bd0e3d62a1df0e44c32f60d556d2290554c0607224dc1df91881eacdc985
PDF
Publication pagee57c025bb5fb0a66650ad074657edfe0cbeca2cd3eebd1f9192af8caf981478f
Manifest494374a20b2d380f711d2516acbb0d7c60455c2a8e02b7c185721f8485397e2a

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
SignatureezXZALKGE3osVmg6r9ojY5iks7YtATXEA0BZjLZFJIOb2qwOsRLs6FGH5tXBLObCcMF17yzWv/XtIeeX6K2sBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:52:08.009382ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055471
observed e57c025bb5fb0a66650ad074657edfe0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.991157ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055471/manifest.json
observed 494374a20b2d380f711d2516acbb0d7c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.972255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055471/publication.md
observed f299bd0e3d62a1df0e44c32f60d556d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:52:07.954462ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000055471/publication.txt
observed 3703f099bfd3852d7f8b7807d4b47f0a...
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.