OpenTechnical

OT-2026-000025842

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, three stage ejector, 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-2026-000025842) never changes.

Identity and time

Publication numberOT-2026-000025842 · never reused
Internal UUID01a0ae71-a83e-7f59-ba92-ffa6d979e1a5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:59.376802Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025842
StatusPUBLIC

Content hashes

Canonical text88338b23f7cb2de8358a9d713d05916eee1fbd6433500fe691126b72c99c1b42
Markdownd3c76e5b4e39dee96f12749767f533903478556eb687c2fcd0373c25685282d8
PDF
Publication pagef4337d3825665c63e308741e1defcfbb6522ee8ae613ef2cb2de2b103a9cff7a
Manifestf32fa949fe24a9da5a8f69177b4f1cd171c8c6c9454c448b91595b4c4ca4e661

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
Signature8gBBQMVtog0+91hth+gsxhhNM5Fk3iB8KHxlxyPz0UismeuBcj+zQ7v6mjHUMibGzfy8prkArl+fek9jCLSVAg==
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

2026-09-17T11:46:04.177870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025842
observed f4337d3825665c63e308741e1defcfbb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.160160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025842/manifest.json
observed f32fa949fe24a9da5a8f69177b4f1cd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.143333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025842/publication.md
observed d3c76e5b4e39dee96f12749767f53390...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:46:04.127637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025842/publication.txt
observed 88338b23f7cb2de8358a9d713d05916e...
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.