OpenTechnical

OT-2026-000050748

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000050748) never changes.

Identity and time

Publication numberOT-2026-000050748 · never reused
Internal UUID01a0ae82-c7b1-79a3-82a2-8f64ec9c752d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050748
StatusPUBLIC

Content hashes

Canonical texta7787c09624b32be4cf154a777e90096226723a9b02b3d6097f109fd84a5d83c
Markdown8c7115c5231f5ab00a3fea8668483d45280089034d9b22001ee216e5d2652d69
PDF
Publication page8b9235f55850e265622a5201f44ead09dfda4b0ccce23016c5b0bbfd193aca07
Manifest8950a2484c22a5706ea903530ebfd0470c41bcca6f58664413744ce3840d0e47

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
Signaturer0d1FtRhH0cn4h+K6j6e+z51YslTZ86rYQXE7pJaaj99t/bySw/kpuQxZhaCkMQgCUDTdCtHnbdZ0yhaw14LBw==
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

2026-09-17T11:00:07.693641ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748
observed 8b9235f55850e265622a5201f44ead09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.675315ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/manifest.json
observed 8950a2484c22a5706ea903530ebfd047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.652550ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/publication.md
observed 8c7115c5231f5ab00a3fea8668483d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.642426ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748
observed 8b9235f55850e265622a5201f44ead09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.631647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/publication.txt
observed a7787c09624b32be4cf154a777e90096...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.622390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/manifest.json
observed 8950a2484c22a5706ea903530ebfd047...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.602094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/publication.md
observed 8c7115c5231f5ab00a3fea8668483d45...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:07.580020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050748/publication.txt
observed a7787c09624b32be4cf154a777e90096...
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.