OpenTechnical

OT-2026-000047426

Publication integrity record

Four pad foam vacuum gripper, four 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-2026-000047426) never changes.

Identity and time

Publication numberOT-2026-000047426 · never reused
Internal UUID01a0ae7f-3e58-7129-8b62-d2bfcee96623 · 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-2026-000047426
StatusPUBLIC

Content hashes

Canonical texte75edbc224d74dcefe607d50915f454cb69096d6a1dffc7f319be90571751aee
Markdown0628efe5a6901bdd212d44e5e952aade2fe2b080a70b7f0dc84a9209a68147e9
PDF
Publication page502088f0ebd8b367856b0af7bcae151ba7665ee1b571173b8ba60113f008b168
Manifest4bf52426f31b938b753437b67f2870e0b7c1fb2f58d5b7487c9ff0e3f22f4cdd

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
SignatureWGL0OHqlHTeOc1pZcjggxil1iQezGGxVpg83Ud6akOP8FIlqHa17KP40huxsXhUgbQHDtKy7JjudLLE8ptDbDA==
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

2026-09-17T11:06:26.887677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047426
observed 502088f0ebd8b367856b0af7bcae151b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.871870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047426/manifest.json
observed 4bf52426f31b938b753437b67f2870e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.854804ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047426/publication.md
observed 0628efe5a6901bdd212d44e5e952aade...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:26.835502ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047426/publication.txt
observed e75edbc224d74dcefe607d50915f454c...
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.