OpenTechnical

OT-2026-000082018

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, pump fed, supply line pressure sensor, vented after set-down, on a tool changer

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-2026-000082018) never changes.

Identity and time

Publication numberOT-2026-000082018 · never reused
Internal UUID01a0ae97-4d92-7be1-9cd6-8a19959ed763 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:06.536388Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000082018
StatusPUBLIC

Content hashes

Canonical text3a30ab35989f21654182ef078981a71ebf69c3569e161026f999c785ff5afd2e
Markdown628191346106fd0b1006200533a3c54fddb61130e8216fc41fb24394b432acfc
PDF
Publication page0346a04305a958718722cdc95a861cf04c086048ced0dd98fbefaa671beb60b8
Manifestc97ee194ce1fc4c0427e31a5676a7f89c071265756e8675d7bec6d88f15d2774

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
SignatureFf+c9HdzGOsYeAXleLT7XWZFOpUMWBjfP6Plahrx6mjEJeFseEIe8SPgWTqgxGhUWVmzTHjm7pmwYvdGN/ojDA==
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

2026-09-17T09:58:44.009589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082018
observed 0346a04305a958718722cdc95a861cf0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.993410ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082018/manifest.json
observed c97ee194ce1fc4c0427e31a5676a7f89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.975869ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082018/publication.md
observed 628191346106fd0b1006200533a3c54f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:58:43.959857ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000082018/publication.txt
observed 3a30ab35989f21654182ef078981a71e...
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.