OpenTechnical

OT-2026-000019482

Publication integrity record

Foam pad vacuum gripper, pump fed, supply line pressure sensor, 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-2026-000019482) never changes.

Identity and time

Publication numberOT-2026-000019482 · never reused
Internal UUID01a0ae6e-f393-7300-bcd7-b5e6fd805b25 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019482
StatusPUBLIC

Content hashes

Canonical text94320036577144b30b5f8f2f613b8be2c42896c42bb7c44bb0338ef6cef45fad
Markdown82723b145e8e3e28d158ad23a964502da1374d44e640e65e779fde44cff658ae
PDF
Publication pagee2800be7a3afd726b437ead9af863be5ac359f4863dccff38f3af954f16a5823
Manifestd6459e52c512b32c29a6494e174c1084cd2f864c51db911a29fa227f030c0009

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
SignatureyeX8w+C29I2xKYL/zhDWf9GzOcRMs95qCHeC+sCGGHJ+qam0R1bCSEPv9oK5h2WM3YzXrbU3Q0C9U4wbZE+uAQ==
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

2026-09-17T11:58:54.214116ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019482
observed e2800be7a3afd726b437ead9af863be5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.194902ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019482/manifest.json
observed d6459e52c512b32c29a6494e174c1084...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.173877ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019482/publication.md
observed 82723b145e8e3e28d158ad23a964502d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:54.156230ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019482/publication.txt
observed 94320036577144b30b5f8f2f613b8be2...
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.