OpenTechnical

OT-2026-000009938

Publication integrity record

Three cup vacuum gripper, three outlet manifold, pump fed, manifold 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-2026-000009938) never changes.

Identity and time

Publication numberOT-2026-000009938 · never reused
Internal UUID01a0ae6b-cb79-7c00-9974-012f196789f0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009938
StatusPUBLIC

Content hashes

Canonical textdfa30fca25853810a2d05c0812ebcff89fafe79ce71183e042eebaf03945e71e
Markdown2dac52600692cf26a44a1781ebf888b6be60a268b549e4a2d97ca5caa30ae7ae
PDF
Publication page32a7542f9a8b6690af40c62af158b95031d9bc9855d9fb7847e70640a7ab61e0
Manifest1e2450bd96c34f42b1ba39eb868d5eb7325c86342d7c589a16db963cce4aeb71

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
SignatureUn2Jnf6k4aU1u2Z50sl08UvGmwpP03eTgboRM1zgRKDXaYU0cYYq251fOE5mzy7tqrXAR4o0r4jvVGiIeZjkDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:15:58.052534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009938
observed 32a7542f9a8b6690af40c62af158b950...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.033769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009938/manifest.json
observed 1e2450bd96c34f42b1ba39eb868d5eb7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:58.015194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009938/publication.md
observed 2dac52600692cf26a44a1781ebf888b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:57.992121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009938/publication.txt
observed dfa30fca25853810a2d05c0812ebcff8...
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.