OpenTechnical

OT-2026-000037402

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, 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-2026-000037402) never changes.

Identity and time

Publication numberOT-2026-000037402 · never reused
Internal UUID01a0ae77-b8cd-7c31-be27-a64d4a25fcbe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:36.831192Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037402
StatusPUBLIC

Content hashes

Canonical text49cad7435530613b17e917094c980a03cd5a7d8d8f088cb0c6950fcdce4610ae
Markdown7aae5ab717b3f79be7c0b87f935277e57c0c736be0cb488ce9597c86d8256435
PDF
Publication page0896f0824e8776eb4dbcb7a569b2bff13edec2e35bbaf21e5b3d4316632fcd07
Manifest021e73e8db12c0f7f194f1e8f84e539d7edc1c1bfcb5a1db716e3a3cf1f605d6

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
Signature+aV5Om2xrraIvVjEZS/KLUZ2rLLpytnAGQOejn1HlsYiSst610ubMYfRNc0n3V5WSBu3PNhNZ9K8BAa48ZZwDg==
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

2026-09-17T11:23:50.056604ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037402
observed 0896f0824e8776eb4dbcb7a569b2bff1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.037965ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037402/manifest.json
observed 021e73e8db12c0f7f194f1e8f84e539d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:50.019326ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037402/publication.md
observed 7aae5ab717b3f79be7c0b87f935277e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:49.999311ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037402/publication.txt
observed 49cad7435530613b17e917094c980a03...
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.