OpenTechnical

OT-2026-000007575

Publication integrity record

Foam pad vacuum gripper, pump fed, 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-2026-000007575) never changes.

Identity and time

Publication numberOT-2026-000007575 · never reused
Internal UUID01a0ae62-4df7-75e5-9014-9fce630c8e55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:01:13.261569Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000007575
StatusPUBLIC

Content hashes

Canonical texte4394660a4691816d3b4ac76204b31cd72fae56556a137112f9af2fad902953b
Markdown766d77d09a225bf971862bf4e8a6ad8b756e487a019ce2ff0fa7dd2132295a34
PDF
Publication page51f0084174d817b6dbaf5b8cde3d6b195d2986adb7de251ea7007100c57e324c
Manifeste536d4e18bc0a5112d56f29ca4c036296d2b507aab5167877cb3c617900a0111

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
SignaturefhQzU3PG0TY75MoavtDfbX6+2MAF0K4NoS9fLHtgbNUdh8HKNy78ZRX1HMEB/IByiX8dE9AUqTdH5v+sqkyIBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:07:02Z
batch OT-TS-2026-W38-016 · RFC 3161 token · inclusion proof
root 8d90bf9341d96baa4328c218b6f85281...

Independent retrieval

2026-09-17T08:10:25.429874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007575
observed 51f0084174d817b6dbaf5b8cde3d6b19...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.412801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007575/manifest.json
observed e536d4e18bc0a5112d56f29ca4c03629...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.396106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007575/publication.md
observed 766d77d09a225bf971862bf4e8a6ad8b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:10:25.378927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000007575/publication.txt
observed e4394660a4691816d3b4ac76204b31cd...
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.