OpenTechnical

OT-2026-000048380

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off after set-down

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-2026-000048380) never changes.

Identity and time

Publication numberOT-2026-000048380 · never reused
Internal UUID01a0ae80-4de4-78ec-8d7a-ae7a8197eaba · 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-2026-000048380
StatusPUBLIC

Content hashes

Canonical textc5e72f43dd4e2b67c3d8c1123fe25df16958c80bf95c5afabb3011806a7dd3cc
Markdowna06895bb5bcd2665ef95f20b67db925b1fa012ad5e4d760d1c6f584a17a784a4
PDF
Publication page23ba643f0b9a1e40b95d2f3be7527a224b163ac552c78b4b18bd93bb6b826025
Manifestc7698330ec6716e2bd6b0a3ce7b0b0094e4dadf681ee2cbb9760675b75396737

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
Signature6Nt2D8xo7G/LY3Hp0sF/u0wFxD7AEI6Ltv8GLbfKlh63ArJog1+aFfITmXACyCsaWeSra9rykqTJN4aZ4b9iAg==
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

2026-09-17T11:05:00.527235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048380
observed 23ba643f0b9a1e40b95d2f3be7527a22...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.496044ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048380/manifest.json
observed c7698330ec6716e2bd6b0a3ce7b0b009...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.474370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048380/publication.md
observed a06895bb5bcd2665ef95f20b67db925b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:00.442176ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048380/publication.txt
observed c5e72f43dd4e2b67c3d8c1123fe25df1...
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.