OpenTechnical

OT-2026-000029162

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, manifold pressure sensor, sustained 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-2026-000029162) never changes.

Identity and time

Publication numberOT-2026-000029162 · never reused
Internal UUID01a0ae73-2aa0-7f72-adf4-085aea1aa732 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:38.288761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029162
StatusPUBLIC

Content hashes

Canonical text402697cbd244e50468e5c141c080b2cd6b7e518b712980be1c7e838e3166defe
Markdown1662902c883f73e69950dbf64e9cf69fb4a782da4088e979f9bb51740ae2acd6
PDF
Publication page0303ea55e662fbcc52be9f8d26b8e340b7bfef240b28b1143f2def87d18932b6
Manifest9adc9b066eef2363cb06006b2bd1251a76e0fa32672bd197f3068ad92811354c

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
Signature8LDhvByjeGNN2lp8hecmpgx8ppCk0/bY+Jqd4zdg/pt30ygFJnuYIGk8r17ScR+tKFLq0faBmUR8Je5MG8KNBw==
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

2026-09-17T11:39:39.473347ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029162
observed 0303ea55e662fbcc52be9f8d26b8e340...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.454829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029162/manifest.json
observed 9adc9b066eef2363cb06006b2bd1251a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.436228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029162/publication.md
observed 1662902c883f73e69950dbf64e9cf69f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:39.418402ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029162/publication.txt
observed 402697cbd244e50468e5c141c080b2cd...
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.