OpenTechnical

OT-2026-000066480

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000066480) never changes.

Identity and time

Publication numberOT-2026-000066480 · never reused
Internal UUID01a0ae8e-ce40-74e2-8f41-6947a9f94bf8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:49.649149Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066480
StatusPUBLIC

Content hashes

Canonical textbef93768953d0a0ee06e0c51914d79b677753f2a12eabe75f6cf92876c4252dd
Markdown062d664b57b50ad5c01a12aa7b00ca18c2f1d08c8b217ea3bf68c5e10f3824a3
PDF
Publication page69259207dc3f955db45a2d4fb2ab0417f3eddc2981d826ee99d8b59f53b7ddb8
Manifestea0a2efe29040c8eaa1c2ca721ffff432f1045e96a49b43c8531422907e1f189

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
SignaturerGPKFh8Z6slOCnm88rwcdueIP9Jl3qD1LrrpJ3Do/83l7V0jaWPCDdyDlTLHdZ2tCYhMZRoJB2pHNB5V1GvoAA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:32:44.014473ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066480
observed 69259207dc3f955db45a2d4fb2ab0417...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.995944ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066480/manifest.json
observed ea0a2efe29040c8eaa1c2ca721ffff43...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.978017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066480/publication.md
observed 062d664b57b50ad5c01a12aa7b00ca18...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:32:43.960800ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066480/publication.txt
observed bef93768953d0a0ee06e0c51914d79b6...
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.