OpenTechnical

OT-2026-000053240

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, pump fed, supply line pressure sensor, pulsed 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-2026-000053240) never changes.

Identity and time

Publication numberOT-2026-000053240 · never reused
Internal UUID01a0ae85-0a14-72e2-8840-d01d535988e5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:39:09.762364Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000053240
StatusPUBLIC

Content hashes

Canonical text8deb38b9c740938e32b651820c882a64b0b15cb2a35409f061f6f12738afa545
Markdown2823efd97d319b2c648bee3af62ef1c8e70fc0d702195f7487829290dac49424
PDF
Publication page19ae23b403cf6bfba84ccc1777203f31e5af46c67b742b67183e4be4581fa405
Manifestd30dc11dcc51531cbe5fe39cb315b6728c0b1376a607244a4c24cf9d5288d574

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
SignaturetSk+Qfkd2fJm2uMk19RoQQs7yqboY7dPq7XCwbhh1l/1/67No89p0enfanu69zOTAzgtbFct0Es1EYq4YNyzAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T08:40:55.282251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053240
observed 19ae23b403cf6bfba84ccc1777203f31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.263074ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053240/manifest.json
observed d30dc11dcc51531cbe5fe39cb315b672...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.245455ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053240/publication.md
observed 2823efd97d319b2c648bee3af62ef1c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:40:55.217580ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000053240/publication.txt
observed 8deb38b9c740938e32b651820c882a64...
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.