OpenTechnical

OT-2026-000027430

Publication integrity record

Foam pad vacuum gripper, 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-2026-000027430) never changes.

Identity and time

Publication numberOT-2026-000027430 · never reused
Internal UUID01a0ae72-6998-7b15-8279-8e6b231f5aae · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:18:48.928538Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000027430
StatusPUBLIC

Content hashes

Canonical text39fe343b632fce478c7088676e3d584c6f2c14e6424935ba5cd0c67d6b7d5429
Markdowne8243c227b4156a7bec32aed8372ed8ad174d10a6cc68136cc370bccb2b25bee
PDF
Publication page70b2599f51fe6d7a1221db4a56ce5b2899b9bc2f1e0165e18287e9f3f240709e
Manifest4fbff3d0ca06002b134419074c34c5b054041586facf092159996b3b784e156a

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
SignatureYSbY54rGubK7IvKFJRaGpqE8aQmZwqxpiWQOgO/gch3ytzByPKcz3s31Kl5/7X4DpYDcVXnuUwrHMgzW5GmfCw==
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

2026-09-17T11:42:51.694226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027430
observed 70b2599f51fe6d7a1221db4a56ce5b28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.676513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027430/manifest.json
observed 4fbff3d0ca06002b134419074c34c5b0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.658062ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027430/publication.md
observed e8243c227b4156a7bec32aed8372ed8a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:42:51.639561ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000027430/publication.txt
observed 39fe343b632fce478c7088676e3d584c...
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.