OpenTechnical

OT-2026-000019273

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, plant vacuum fed, manifold pressure sensor, pulsed blow-off 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-2026-000019273) never changes.

Identity and time

Publication numberOT-2026-000019273 · never reused
Internal UUID01a0ae6e-f392-7f67-b7b8-9d7b9a8059ee · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:02.050431Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019273
StatusPUBLIC

Content hashes

Canonical text14fafc380558cb8739b9bc735772f1be5d25f6fd68358e7abbb74c37c008c3a5
Markdown0c19efbe9c71253e6135704cb9f68f15d8cd0e9a502290849a0de38025955a97
PDF
Publication page5257a3879ba8eda967705444aa740f8023531b2f4f7dc5236a8846bb7def39f4
Manifest7a7c9a08961b70f6542776802d5dd6207dc96cc6cae38c64a77dfdfa437bda60

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
SignatureSycbtHL7BHLyQlMXVC4hR5oB9CZygnyi8joZ/UDXdQw8wzdLm71JOo+C+ArG7oEZd/liBg5+dAzvbXKfgtECAg==
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

2026-09-17T11:58:37.365465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019273
observed 5257a3879ba8eda967705444aa740f80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.347661ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019273/manifest.json
observed 7a7c9a08961b70f6542776802d5dd620...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.326608ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019273/publication.md
observed 0c19efbe9c71253e6135704cb9f68f15...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:37.305813ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019273/publication.txt
observed 14fafc380558cb8739b9bc735772f1be...
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.