OpenTechnical

OT-2026-000092820

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, plant vacuum fed, supply line 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-2026-000092820) never changes.

Identity and time

Publication numberOT-2026-000092820 · never reused
Internal UUID01a0ae9d-b601-7577-b32e-173d0ff8e796 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092820
StatusPUBLIC

Content hashes

Canonical text31ddee1b38b3432c4cf27534b4531ba96a19f91baa7362f34bd3ad34cbcdc6ca
Markdownb3aeb9c375980041e0f7537154d4cfbdca711afd8b0224ad993c22e8d4daa6df
PDF
Publication pageb81c4d0a50a8aa792014ea9d3da24320a16181d5b214010e47674441acde7822
Manifestf5e579e93d80699022a0db1646627af8fe93cb20218d47859faea0cc59146712

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
Signaturef8SQfkB2Jg1+2F6fAlt7/K3Y6vq6JCcxb+BC0QHc99jOm1o6gAXi9xAkWAaCJqmEtSBMQ42VM4CIGczKuxphAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:40:46.436149ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092820
observed b81c4d0a50a8aa792014ea9d3da24320...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.420238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092820/manifest.json
observed f5e579e93d80699022a0db1646627af8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.404015ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092820/publication.md
observed b3aeb9c375980041e0f7537154d4cfbd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:46.387931ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092820/publication.txt
observed 31ddee1b38b3432c4cf27534b4531ba9...
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.