OpenTechnical

OT-2026-000038834

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000038834) never changes.

Identity and time

Publication numberOT-2026-000038834 · never reused
Internal UUID01a0ae78-769f-78be-bef9-abd527d30070 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:25.422407Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000038834
StatusPUBLIC

Content hashes

Canonical textcb1181884a8574fc8614a5be279645e6bb8f1da0fb8ea9bbd05fa65c49313ccd
Markdown278a1018c578bffed1c93125dc709c055c61006a4ae8f376ee90c279e2568171
PDF
Publication page5fd90fbff758765a1ff17c0de7bf0ba9ef924d0b7176bdc159395f8ff19c8041
Manifest0ac343319b71f60e0c2b6b17190a31c46780bc06b16beca67cebbc88a15c77ce

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
Signaturezhjf1dDiMNBGlKNqgXnhvGYZxwbgYPH3FxP3AIF3gq716hV2oqMwWZavI5L2p5E50KlzH5Q7YgyDfK9ybnFaCw==
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

2026-09-17T11:21:24.035372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038834
observed 5fd90fbff758765a1ff17c0de7bf0ba9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:24.016265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038834/manifest.json
observed 0ac343319b71f60e0c2b6b17190a31c4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.996779ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038834/publication.md
observed 278a1018c578bffed1c93125dc709c05...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:21:23.978068ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000038834/publication.txt
observed cb1181884a8574fc8614a5be279645e6...
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.