OpenTechnical

OT-2026-000016436

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, common isolation valve, pump fed, pulsed blow-off before 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-2026-000016436) never changes.

Identity and time

Publication numberOT-2026-000016436 · never reused
Internal UUID01a0ae6e-2d13-7bf1-827a-37b57f617647 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:11.237946Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000016436
StatusPUBLIC

Content hashes

Canonical textf217bd9931a08084ea64d4bfea930483cca9893d20a9d84b8b4f6c6de8adecf6
Markdown63a23ee244866b5ba020e1489dd33414ae4b54ed633aa8b4c8c3b3d40a9aa647
PDF
Publication page47e6fbbc410f22e0913df0df77b4d13cd0eaea84c5a742d0414cbea9d8f508e0
Manifest441d97871df73ff798519287ae24099a70d79650e6e9fb5e2e5c178c06f6ba9a

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
Signaturer6Vac0d6r3nOK/jqMrnqxWQDHT1ss7HzqenGzOnbf8HMQDE7Ui2Sssp/T8ir/6BAWrItxL7ZC7r1zZjgWHHTBw==
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

2026-09-17T12:04:32.035861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016436
observed 47e6fbbc410f22e0913df0df77b4d13c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:32.016073ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016436/manifest.json
observed 441d97871df73ff798519287ae24099a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.982286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016436/publication.md
observed 63a23ee244866b5ba020e1489dd33414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:04:31.962122ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000016436/publication.txt
observed f217bd9931a08084ea64d4bfea930483...
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.