OpenTechnical

OT-2026-000075160

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, vented 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-2026-000075160) never changes.

Identity and time

Publication numberOT-2026-000075160 · never reused
Internal UUID01a0ae93-f1ff-7efc-8a7b-7bce6e8893c3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:55:26.476108Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000075160
StatusPUBLIC

Content hashes

Canonical textddc27f4bcb9c539e1d9deade2e1d38472757731b638bff8fd9ce7fb751d34bc2
Markdown7a33ae250284f42bf0cc3e0c6c137e04f7e163ff18608edb6ffd2945677e07cc
PDF
Publication page796c5483b028023eb92148b6045d8739b56f07f34b1f86f388ab0c5bad715c54
Manifest610eb295c0fd229ac0d1717fb96cac30d3789612c45feed7fde80721d484300d

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
SignatureL+teeq1NYYNiAXPCaLkBHLn9lX1g8LE68uWYwLoBxm6HATPc/AAHts5FPIMgg06mteP5fyZNj7t4se518+0yBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:20:24.122647ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160
observed 796c5483b028023eb92148b6045d8739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.095407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/manifest.json
observed 610eb295c0fd229ac0d1717fb96cac30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.076277ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/publication.md
observed 7a33ae250284f42bf0cc3e0c6c137e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:20:24.054650ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/publication.txt
observed ddc27f4bcb9c539e1d9deade2e1d3847...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.046113ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160
observed 796c5483b028023eb92148b6045d8739...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.023218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/manifest.json
observed 610eb295c0fd229ac0d1717fb96cac30...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:30.002036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/publication.md
observed 7a33ae250284f42bf0cc3e0c6c137e04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:16:29.983496ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000075160/publication.txt
observed ddc27f4bcb9c539e1d9deade2e1d3847...
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.