OpenTechnical

OT-2026-000038388

Publication integrity record

Two bellows cup vacuum gripper, two outlet manifold, plant vacuum fed, 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-2026-000038388) never changes.

Identity and time

Publication numberOT-2026-000038388 · never reused
Internal UUID01a0ae78-2d52-7618-b696-a866a2ec2d10 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:06.661829Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038388
StatusPUBLIC

Content hashes

Canonical text19335696d7261e0ec7e5fd231071c612fa665027003818e6845ae3325d83a27e
Markdown27d8d7c939b76d50f6800b29bb2a37dd5e22fabee10acd0a6e0faf611c23ecd6
PDF
Publication pagea59246ffa83c55f54f6a75497b7b95d7a8d77451c25845e16442ebfdf3fdd338
Manifestb1437e542bea419ad211cb22b3a7825dd961ff460ad7859a39df2949ca80c08d

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
SignatureFtyA39sJFCgUGovYyQbCc1FAaC2M+HhISNGgIxlXbWPlxaUUzIKz9S0MJakvEdt3obOXl5Rb9M5IlxwR2QyrDA==
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

2026-09-17T11:22:35.454585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038388
observed a59246ffa83c55f54f6a75497b7b95d7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.436664ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038388/manifest.json
observed b1437e542bea419ad211cb22b3a7825d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.418944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038388/publication.md
observed 27d8d7c939b76d50f6800b29bb2a37dd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:22:35.400621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038388/publication.txt
observed 19335696d7261e0ec7e5fd231071c612...
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.