OpenTechnical

OT-2026-000025133

Publication integrity record

Three cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000025133) never changes.

Identity and time

Publication numberOT-2026-000025133 · never reused
Internal UUID01a0ae71-5fa5-7e61-b899-d22d0e578e50 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:17:40.790954Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000025133
StatusPUBLIC

Content hashes

Canonical textb5b25b78b0fb3be04b4c06eca8efe05e5b8a6f0a20d6560fc58631cd2f840594
Markdown3729a56cd81a641fe3f8098be12ba708da278b54a111a5f09a8bbd0a72cd118d
PDF
Publication page37b091ff6a28ef877ab081f498f903c7720fb7ec3ed9d15f4f081520a7d8a89e
Manifest3b5ed16c6c2b9a3c869ef583a3f12a277dfc9b24b77a12218cca00d4f9e5ae48

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
SignaturelytENDZTqb32svVj2U3Bfb5bWTai5aW3jMxfpxUSQDpxHvn5kjmUvfNhnkrQWiLZgkgDKLi/xRXyIDtPx304Dg==
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

2026-09-17T11:47:00.830267ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025133
observed 37b091ff6a28ef877ab081f498f903c7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.812110ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025133/manifest.json
observed 3b5ed16c6c2b9a3c869ef583a3f12a27...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.797144ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025133/publication.md
observed 3729a56cd81a641fe3f8098be12ba708...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:47:00.779621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000025133/publication.txt
observed b5b25b78b0fb3be04b4c06eca8efe05e...
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.