OpenTechnical

OT-2026-000048841

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, supply line pressure sensor, sustained blow-off after 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-2026-000048841) never changes.

Identity and time

Publication numberOT-2026-000048841 · never reused
Internal UUID01a0ae80-c32d-7813-9993-4ec997737dc8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:34:29.321882Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048841
StatusPUBLIC

Content hashes

Canonical textac7aa09ae87543eb8817288f5ddebef9bd5badbcbd2382787df9a0c79de813c9
Markdownc9266d9228e322071a286816f051dbe2592a0e72d69b2227f207c89258b597de
PDF
Publication page961c59d722bd2229ae48bb496fc92accc2a41f5bcd66441aaaa2caa4d69bfdd3
Manifestab70363285f189ecc856aa4750ff1b327123825d9d361dfc0fc74de87fb9f470

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
Signature23yFJ/sZob1W8smWyKnsi99rmG5cWA1gz/CPhlNQP6OnDwbYukf6aOO9L+5aTGGH93aTaHyDo072s312b4QdBw==
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

2026-09-17T11:04:38.195769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048841
observed 961c59d722bd2229ae48bb496fc92acc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.178079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048841/manifest.json
observed ab70363285f189ecc856aa4750ff1b32...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.157734ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048841/publication.md
observed c9266d9228e322071a286816f051dbe2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:38.130666ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048841/publication.txt
observed ac7aa09ae87543eb8817288f5ddebef9...
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.