OpenTechnical

OT-2026-000013808

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, two stage ejector, 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-2026-000013808) never changes.

Identity and time

Publication numberOT-2026-000013808 · never reused
Internal UUID01a0ae6d-8de9-7a98-8be4-c521d94cb51c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:30.489074Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000013808
StatusPUBLIC

Content hashes

Canonical text2d5a8134f188e93efd8099ef7ddedae9a19a743c4c5b685f409f8b75789a618c
Markdownbb4c65e7e11b14e4737ebc7a039034e9daf1e4ea0b2ae34b997007f7399a9bed
PDF
Publication pageebf9884d33ec7f49ca99700d6ce9d6bf7ca665aaa82521df948df9ec1773f1a7
Manifest196f95da627bdc46c82ff561dbc9d631583bd7f90dee9afe66517370e8b81a79

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
Signaturemv69VBtkqnjBQRSvI0I8Y47JEG4HOF4cOh46tZmlY0ECKanS8GGtDaRePcpvqIPPKOHzZYxvmDA6RakXQmbhCQ==
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

2026-09-17T12:08:54.153588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013808
observed ebf9884d33ec7f49ca99700d6ce9d6bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.133472ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013808/manifest.json
observed 196f95da627bdc46c82ff561dbc9d631...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.113206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013808/publication.md
observed bb4c65e7e11b14e4737ebc7a039034e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:08:54.095380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000013808/publication.txt
observed 2d5a8134f188e93efd8099ef7ddedae9...
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.