OpenTechnical

OT-2026-000029493

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump 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-2026-000029493) never changes.

Identity and time

Publication numberOT-2026-000029493 · never reused
Internal UUID01a0ae73-5e21-79a5-b015-e8ffb935bd9a · 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-2026-000029493
StatusPUBLIC

Content hashes

Canonical textc0a51f66e374229736a9739ad6269cc31bf9db8bcfa4b4327af1a6def175952a
Markdown18e82b392dc80d257cb90ac5810310439fd02739f1b0d485f4e73d272bf027b2
PDF
Publication pageff09815d9e5466a3253c7b573d15fa703dd1fc10cf2a6254b54e2bfdc6c6b164
Manifestf08a1a454c79619fff9e7b6c5d81838105e4798749f59b45f1dc4126915583c6

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
Signatureh9tg+YpOIbWauyYY/xbBeXNqFQkVkw9YKwl725soqhokc3w9gj9Iev3id/c7V+hDZ4ILZpqeG8GMq3g8yKQVBw==
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

2026-09-17T11:39:07.395589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029493
observed ff09815d9e5466a3253c7b573d15fa70...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.377127ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029493/manifest.json
observed f08a1a454c79619fff9e7b6c5d818381...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.360239ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029493/publication.md
observed 18e82b392dc80d257cb90ac581031043...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:07.343569ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029493/publication.txt
observed c0a51f66e374229736a9739ad6269cc3...
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.