OpenTechnical

OT-2026-000026929

Publication integrity record

Single cup vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, sustained 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-2026-000026929) never changes.

Identity and time

Publication numberOT-2026-000026929 · never reused
Internal UUID01a0ae72-3452-7448-ac9f-554310d12814 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:35.358864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000026929
StatusPUBLIC

Content hashes

Canonical textc2e25d694cfdf2989ad2ec48d3e269de3700830d549ba7adc416e2c3b570e39d
Markdown2230959e2043f641127b2a335c96f5a91ac527f64c43c864aa252dc2ef9ead34
PDF
Publication page4777e4f67973411737f735d12afadff85e0704631846d47cb3485e011201213f
Manifest18e9ace02fa9e3fa44526fa13f434445b19ff6048a88f75ec99653a8270182aa

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
Signaturevg3BPWicz8hCS+tafMKLBhKdFZKcQly4IpTZPhVrfpKSG6qyZsh2vUX8Rdk3EqDEGvd7nXsF3hekhhfWxtDRDw==
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

2026-09-17T11:43:32.738776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026929
observed 4777e4f67973411737f735d12afadff8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.722781ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026929/manifest.json
observed 18e9ace02fa9e3fa44526fa13f434445...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.705937ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026929/publication.md
observed 2230959e2043f641127b2a335c96f5a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:43:32.687881ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000026929/publication.txt
observed c2e25d694cfdf2989ad2ec48d3e269de...
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.