OpenTechnical

OT-2026-000072860

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, pump fed, supply line pressure sensor, vented 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-2026-000072860) never changes.

Identity and time

Publication numberOT-2026-000072860 · never reused
Internal UUID01a0ae92-89da-7f3f-b755-06a8886260b8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:54.283203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000072860
StatusPUBLIC

Content hashes

Canonical text696d80b50a1ab4dad81e4af90c57cccd6505ff8049119aa857863a7758342441
Markdownd6fee212aa5e9a7a4de963f787cc0652e69ac88453f2fb769605af99025c85cc
PDF
Publication page2b27fa21f67114a06310d558d0126a0c8a6556c1773ab50b1dbb4b25e7c69d2a
Manifest9cad76833a32d893421c411a419b1f49504f6d3cd06a6ce60cfa2cf6dfbf9916

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
SignatureZA651oI8WaziZIFTT+L/nL71x9G0G2B4EdEl18ORNE4G/oqlBia7pdnYLvvZBdLTQr5R6a36/grjoQw1MxJCDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:22:47.073992ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072860
observed 2b27fa21f67114a06310d558d0126a0c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.057344ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072860/manifest.json
observed 9cad76833a32d893421c411a419b1f49...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.040319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072860/publication.md
observed d6fee212aa5e9a7a4de963f787cc0652...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:22:47.025106ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000072860/publication.txt
observed 696d80b50a1ab4dad81e4af90c57cccd...
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.