OpenTechnical

OT-2026-000034546

Publication integrity record

Foam pad vacuum gripper, plant vacuum 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-2026-000034546) never changes.

Identity and time

Publication numberOT-2026-000034546 · never reused
Internal UUID01a0ae76-1ed0-7b16-8c16-af550cb04081 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:22:51.876169Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000034546
StatusPUBLIC

Content hashes

Canonical text6e49689a6997857d353d60ec0b592ba61c303d2a14132dd10f6f1e86a87190c8
Markdown8e2fc9a508c5a84d69d6bcddec37c14a86d10a662b35cb1b78a94436ef9ef813
PDF
Publication page6a5fce0c6ef5b57da06ef4478962dc55c9b5229f91cdb2ab745613f67cc002fa
Manifest7961274c8f9a4eef6c6b77ea115e7212b1221be3360ec7bd0e2092e2528e5401

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
SignatureqogZpbJ1qLCtG4BIb9mUoQbwRxCIW+UytDxKFEnWBWXsyfg/hp3NrVWirD6M7K8ifzvHV2F3HSVLLu1BzXugAA==
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

2026-09-17T11:28:54.425704ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034546
observed 6a5fce0c6ef5b57da06ef4478962dc55...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.408820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034546/manifest.json
observed 7961274c8f9a4eef6c6b77ea115e7212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.390679ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034546/publication.md
observed 8e2fc9a508c5a84d69d6bcddec37c14a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:28:54.373101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000034546/publication.txt
observed 6e49689a6997857d353d60ec0b592ba6...
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.