OpenTechnical

OT-2026-000009730

Publication integrity record

Single cup vacuum gripper, common isolation valve, pump fed, supply line pressure sensor, vented before set-down

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-2026-000009730) never changes.

Identity and time

Publication numberOT-2026-000009730 · never reused
Internal UUID01a0ae6b-7564-77a1-9418-4fc2f7685b8f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:13.151287Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009730
StatusPUBLIC

Content hashes

Canonical texta9dcc99cb23d3b037d1915a27b0024392366f8114f2307ceef6d6df67bb620e2
Markdown4a7ca2a3c68d0d68e57eab55a0ab4c6a269ca27af4c376111a12db3f1979fe43
PDF
Publication pagec6cdf47fc4823b27e064fe4406989be8d1736e08b489c4b0db66fee170afa0ef
Manifest1a5b5889b253c1e9c7487a4b2f451eb9621f40621f95b4e2c7b0d1fb71712618

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
SignatureMIY18nj93x5EfMODuELLMbCsjLv6I4lZNfa4zZ8LtbQv2gTZew5UB901B/fvR6We9vQfflCdVXDh+HtXiXzvCw==
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

2026-09-17T12:17:13.780507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009730
observed c6cdf47fc4823b27e064fe4406989be8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.760145ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009730/manifest.json
observed 1a5b5889b253c1e9c7487a4b2f451eb9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.741677ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009730/publication.md
observed 4a7ca2a3c68d0d68e57eab55a0ab4c6a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:13.720222ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009730/publication.txt
observed a9dcc99cb23d3b037d1915a27b002439...
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.