OpenTechnical

OT-2026-000022511

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, two stage ejector, 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-2026-000022511) never changes.

Identity and time

Publication numberOT-2026-000022511 · never reused
Internal UUID01a0ae6f-f4fe-789e-b8a3-2c240d04a336 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:07.953226Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022511
StatusPUBLIC

Content hashes

Canonical textecc827727cb9fde0ed932ad33f4c58659d6cb50577657c0862aa372bc29ac111
Markdown7482e9ba0ff5aef9c89d1477cb9c957a82a25f4c2d8593e3609f5360c8163354
PDF
Publication pagea30dd381a0328ce49a33862328c6e23191102b9a127f64f3b94c1fe9c3db55cc
Manifeste093a5e61ff356c839e5c1f1888cd6b4356a6f14aa53c6fb92cf8d06fa5f6fc3

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
SignaturekYDhcICajsDymKohip7BtfCS9JpU3K4CeSUM79u/hfJQ+G/nO1JNLPt2rsu9AI9u53saM4bdusDPOeVi2gEADQ==
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

2026-09-17T11:53:56.404690ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022511
observed a30dd381a0328ce49a33862328c6e231...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.387425ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022511/manifest.json
observed e093a5e61ff356c839e5c1f1888cd6b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.369685ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022511/publication.md
observed 7482e9ba0ff5aef9c89d1477cb9c957a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:53:56.352349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022511/publication.txt
observed ecc827727cb9fde0ed932ad33f4c5865...
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.