OpenTechnical

OT-2026-000048597

Publication integrity record

Four cup vacuum gripper, four outlet manifold, plant vacuum fed, supply line pressure sensor, sustained blow-off 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-2026-000048597) never changes.

Identity and time

Publication numberOT-2026-000048597 · never reused
Internal UUID01a0ae80-4de8-7695-956f-fa94e225c10b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:59.290761Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000048597
StatusPUBLIC

Content hashes

Canonical text764033d3c966fa9bc9a35dc12d0633030bf651b0f9b1f46e566b8af76d9a3473
Markdown326cbe6371de02b645b0e31ffaada2f9c4de13bc0ba380d60bf51163fce394f7
PDF
Publication pagecb76f60e5242c62cd9029eb52937026acdd55a9a9416da7d2f266d9f2f2a050d
Manifest6aeae035a4318d8fcf326bf3680b59afd41eb4a74ad443c87dfa687b85bd4d0f

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
SignatureazcIACqo3Fg6UhYqTRxTAGUYVuSJLpA5HIdUoAEKFcGnK5wEJexKJBbW7ESrXxkbrUz5eKiG7hBCUD/6RNcADQ==
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

2026-09-17T11:05:24.536333ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048597
observed cb76f60e5242c62cd9029eb52937026a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.517718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048597/manifest.json
observed 6aeae035a4318d8fcf326bf3680b59af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.498736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048597/publication.md
observed 326cbe6371de02b645b0e31ffaada2f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:24.479522ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048597/publication.txt
observed 764033d3c966fa9bc9a35dc12d063303...
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.