OpenTechnical

OT-2026-000047472

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, three stage ejector, supply line pressure sensor, pulsed 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-2026-000047472) never changes.

Identity and time

Publication numberOT-2026-000047472 · never reused
Internal UUID01a0ae7f-3e58-7991-ba15-2b6bc0d0362e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047472
StatusPUBLIC

Content hashes

Canonical text37993d03711b4242e394e4fade75c14f4f8fa03787f8ec328dc7bc45fe27215a
Markdown07e0500d211b023b82a508db14fae861c56ab055761d464bf1364fe8229a5a7b
PDF
Publication page67380b4dc2ff98e935a1309a17dc8bcd2ce9776ce9beb07ee65499d2068adf34
Manifest2d3f35925cb68076a4afeef050d681eec8d3538eb137075089f125ac46d370b2

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
Signaturey1hBUOavYkRgjmuX13lsBQx/50SGIm4vMGX+33SLYPt9932L37I02LT6asR3t7PTQHzwKeeTj9zt3Ymocq7gAw==
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

2026-09-17T11:06:30.500276ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047472
observed 67380b4dc2ff98e935a1309a17dc8bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.481845ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047472/manifest.json
observed 2d3f35925cb68076a4afeef050d681ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.461625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047472/publication.md
observed 07e0500d211b023b82a508db14fae861...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:30.441575ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047472/publication.txt
observed 37993d03711b4242e394e4fade75c14f...
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.