OpenTechnical

OT-2026-000024077

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, 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-2026-000024077) never changes.

Identity and time

Publication numberOT-2026-000024077 · never reused
Internal UUID01a0ae70-aed7-7b68-a0cd-d546e54e4903 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000024077
StatusPUBLIC

Content hashes

Canonical text02699716ceb30e63c6b8e4a9dc0f33e9310ebb44fd8ba0aa9d7b6a2413992c43
Markdownb41e82935fcad1162a9761cf27ba16a74498435ee406e8b35222770824d7adb2
PDF
Publication page2547cb8b8bf262eecb8a7feee992a5790b97498a8f90a7d20ae798095332aabe
Manifest67f415fdca53df0d9f76ea57c79fcbb4779cee85527e62116b0e761f86c111ed

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
Signaturep9jx3As+wts+uZCTaIq2DgJYYKkpjEzXfrGRIc689inKt5baFDwnnq08UMxwiyRaeS3Rz/TCn+Eye02cC5R4AQ==
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

2026-09-17T11:50:59.455844ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024077
observed 2547cb8b8bf262eecb8a7feee992a579...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.436158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024077/manifest.json
observed 67f415fdca53df0d9f76ea57c79fcbb4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.419085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024077/publication.md
observed b41e82935fcad1162a9761cf27ba16a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:59.402075ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000024077/publication.txt
observed 02699716ceb30e63c6b8e4a9dc0f33e9...
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.