OpenTechnical

OT-2026-000039525

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, pulsed 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-2026-000039525) never changes.

Identity and time

Publication numberOT-2026-000039525 · never reused
Internal UUID01a0ae78-d8d3-7a80-8b05-5805abfdcc41 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039525
StatusPUBLIC

Content hashes

Canonical textccb8d713b207a2b5e62be224a6260d8313f3624b6c172b16bce869b65817e92b
Markdown1c40dc8508d45db6f27a09c87aad15d8535b9e41d541a39986348d6216d9bdec
PDF
Publication page7a0112b137082a4c694a26d3d0653d3250280620c8d4523a8c4e0cf39976e04b
Manifestfd29e782a4706984d56a0d04866a535c3d02f0c962ec6be97f0729ece659bfcf

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
SignaturedE2DgN1YJ7yVLT5RPel2rjzfK+c97tlC5TwW0KlRsBbG+RTY5/Rsnzdaka2iO2iQj1wwDusemmH45JcqmyRtBw==
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

2026-09-17T08:44:25.986305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039525
observed 7a0112b137082a4c694a26d3d0653d32...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:25.721619ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039525/manifest.json
observed fd29e782a4706984d56a0d04866a535c...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:25.283507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039525/publication.md
observed 1c40dc8508d45db6f27a09c87aad15d8...
fetched by grabo-systems from 34.44.131.203, which resolved the name to 35.239.157.139
2026-09-17T08:44:25.046086ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039525/publication.txt
observed ccb8d713b207a2b5e62be224a6260d83...
fetched by grabo-systems from 34.44.131.203, 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.