OpenTechnical

OT-2026-000050000

Publication integrity record

Two bellows cup vacuum gripper, two 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-2026-000050000) never changes.

Identity and time

Publication numberOT-2026-000050000 · never reused
Internal UUID01a0ae81-fd78-789c-aff4-8480f2dc79ba · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050000
StatusPUBLIC

Content hashes

Canonical text68a85f51968b8f4c4e2e8ad60d80c90692a9cd32666910d1afbd60d2185cb690
Markdownd7707c06be16a9398208ca58b39b5115f68bca16c4f77aac40536e21a4a778bf
PDF
Publication pageb0a1d8949d7e6fc6d6ae4f68af5348a62f032fc188b75b85ddd2bbcf9ff6a549
Manifest1600203bbc481768986b20429e9979669ebf8478dfd584ec36ed8b86867aad73

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
SignatureWZ94+hAj03lCL+zWbRMDym2IiShq1hQzz9mGdyaQd+VD6xbU69R5bmKjHG6dUB1aSHFYUmGV33roPGvSVeWNBQ==
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

2026-09-17T11:01:57.527380ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050000
observed b0a1d8949d7e6fc6d6ae4f68af5348a6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.503682ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050000/manifest.json
observed 1600203bbc481768986b20429e997966...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.480789ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050000/publication.md
observed d7707c06be16a9398208ca58b39b5115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:57.459507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050000/publication.txt
observed 68a85f51968b8f4c4e2e8ad60d80c906...
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.