OpenTechnical

OT-2026-000037808

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold 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-2026-000037808) never changes.

Identity and time

Publication numberOT-2026-000037808 · never reused
Internal UUID01a0ae77-f889-72ca-86b6-4b79366b769d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:24:53.146436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000037808
StatusPUBLIC

Content hashes

Canonical text5b2dba3c29de6f1d4f80af89537d6641f4dcb976d7080a198b6e148e4d74b49a
Markdown2d8406deab6e57d62a19036d6a6833f90034c28556758d7e95937fdedbddd14d
PDF
Publication page5a9ec521688eac9b0cf1b250e0e1c18db6cccedad133381e0b6d479dd3e1f7fe
Manifestad780dc4e7f65429c5405403a4dbbaced4fa77b1a79de406b406a97e9a66407e

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
Signature2J5inHxj0/n3I6PlkgEGzoeTVgky0VvIkq/nLMmvXkiJ9k/eKnAYNak6thCLQkwQbXA3X1gl0TDIDXi7TRhFAA==
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

2026-09-17T11:23:03.320304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037808
observed 5a9ec521688eac9b0cf1b250e0e1c18d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.300829ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037808/manifest.json
observed ad780dc4e7f65429c5405403a4dbbace...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.281154ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037808/publication.md
observed 2d8406deab6e57d62a19036d6a6833f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:03.262437ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000037808/publication.txt
observed 5b2dba3c29de6f1d4f80af89537d6641...
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.