OpenTechnical

OT-2026-000048328

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000048328) never changes.

Identity and time

Publication numberOT-2026-000048328 · never reused
Internal UUID01a0ae80-4de4-7f7a-b0d6-0d6cbb122d66 · 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-2026-000048328
StatusPUBLIC

Content hashes

Canonical text7f0c402c50be223fe66ed63bb2bd59caed5ed03311e4cd6bfc4bc9561498bab9
Markdown0cae58f033a55cac3c86032eb6563bcd090cae5d105677b5680f504f51d2e846
PDF
Publication page07b53b2c2c076589a8a58c284b11a81d310be1ec82d1cbbea09a952adb4a2ba9
Manifestd4940d355f7bf3adc76ed1aad0107e9f3a8e7403cb8b511640829d1f0161ce1b

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
Signatureg/WRG5XeWBqSrCuI+sO4MnkqJ1cRu7G0q6HksBf6YjEt7ouMsZ+fOiBKLNZbtTIfgvLAyBatcdR3NrndohZjAA==
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

2026-09-17T11:04:55.977870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048328
observed 07b53b2c2c076589a8a58c284b11a81d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.958767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048328/manifest.json
observed d4940d355f7bf3adc76ed1aad0107e9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.939437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048328/publication.md
observed 0cae58f033a55cac3c86032eb6563bcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:04:55.920206ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000048328/publication.txt
observed 7f0c402c50be223fe66ed63bb2bd59ca...
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.