OpenTechnical

OT-2026-000029718

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, common isolation valve, plant vacuum fed, supply line pressure sensor, 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-2026-000029718) never changes.

Identity and time

Publication numberOT-2026-000029718 · never reused
Internal UUID01a0ae73-5e23-7692-bc86-1154e9a6cf7c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:19:51.545382Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029718
StatusPUBLIC

Content hashes

Canonical text8a2c5ed14ff5b211a0d69f28a0b2aff0ef890e6b7220e186d5985d0141062551
Markdowne6d2741660e7de59262ea54dc4c20eae60822639cc97ab513cc2441273a7be7b
PDF
Publication page3c6f76ccc63b136c21576fca9c3128af3d52b773b6a32dfea4204888fe9ff186
Manifest0a99edfe3d9c376ba42fd664cb93899c40bce19cca2b766aa5121ed2533297de

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
SignatureAD5NSIgw1nxYp5MhSQkcOXzC0m1Vh4c8c51XQWXdyqejmEOLr1X+aEe/vAPcC446ZzLF2/r1nA4HmSP3e8l5Cg==
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

2026-09-17T11:39:26.936202ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029718
observed 3c6f76ccc63b136c21576fca9c3128af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.919085ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029718/manifest.json
observed 0a99edfe3d9c376ba42fd664cb93899c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.898746ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029718/publication.md
observed e6d2741660e7de59262ea54dc4c20eae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:39:26.879355ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029718/publication.txt
observed 8a2c5ed14ff5b211a0d69f28a0b2aff0...
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.