OpenTechnical

OT-2026-000048278

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, pump fed, manifold 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-2026-000048278) never changes.

Identity and time

Publication numberOT-2026-000048278 · never reused
Internal UUID01a0ae80-4de3-7afa-b1db-56a9f149a83a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048278
StatusPUBLIC

Content hashes

Canonical textd40d29c806a678f442538f6b8e2fc21460b6330c5ca18e4c57ab1ee99d2a5372
Markdown690562f6b375fcdb010877c68dd62a82614e5cbf5b90e5a89e4e50b9028a7141
PDF
Publication pagecefa6a92937353ce959815d3f6a7145e4e24313fab8344e58d0f0fd3a22c3695
Manifestdbc018c4a0b1c432d864748e6eaa6ac7f07ef59470e0b1d8e14a84ebaf43754c

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
SignatureHnVzZes+93Qt+7tSrQ2q5PYS5Sp827Zndcf50P5PjC0pYrq8lzR36Tw5Bf/uKbvw/O+oZxD3yl4/47b7aMo9BQ==
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

2026-09-17T11:04:51.532825ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048278
observed cefa6a92937353ce959815d3f6a7145e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.513888ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048278/manifest.json
observed dbc018c4a0b1c432d864748e6eaa6ac7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.493824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048278/publication.md
observed 690562f6b375fcdb010877c68dd62a82...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:51.473613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048278/publication.txt
observed d40d29c806a678f442538f6b8e2fc214...
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.