OpenTechnical

OT-2026-000038122

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump fed, manifold 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-2026-000038122) never changes.

Identity and time

Publication numberOT-2026-000038122 · never reused
Internal UUID01a0ae77-f88b-768f-a465-e6afa3cc9b5e · 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-2026-000038122
StatusPUBLIC

Content hashes

Canonical text5292830c0b70dca367449a75f578282b8fbb469b04b6c5237a86663cb513344b
Markdownec5da019ca76d19b4427096a76a1c7e70803362e214926f9c6bf95f9d54ca9ad
PDF
Publication page278a677819894e8c82b4aa4c433cf69a99e8f8352042aa43a00a3d09ca089990
Manifest2ffe23f866a50ab0f4a80d78f933fab93f5d9ab7bb674e860bacef6fcfc64cca

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
Signature0npIGQM9Kn9VyR3rN8PgjiJfubc7uYbfVJ5aeEd31B+L5yxmG9WTa5K8rqH7tkGlD/Fx+Ypvecpbf3YazzO4Cg==
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

2026-09-17T11:23:27.856063ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038122
observed 278a677819894e8c82b4aa4c433cf69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.836727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038122/manifest.json
observed 2ffe23f866a50ab0f4a80d78f933fab9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.816527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038122/publication.md
observed ec5da019ca76d19b4427096a76a1c7e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:23:27.797876ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038122/publication.txt
observed 5292830c0b70dca367449a75f578282b...
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.