OpenTechnical

OT-2026-000014198

Publication integrity record

Foam pad vacuum gripper, common isolation valve, pump fed, 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-2026-000014198) never changes.

Identity and time

Publication numberOT-2026-000014198 · never reused
Internal UUID01a0ae6d-b279-7b0f-995c-968dea1c0607 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:13:39.853300Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000014198
StatusPUBLIC

Content hashes

Canonical text8171d439b61d2e4fe4eee831edaf25757fe146764e951406e41369a9126e38e4
Markdown84cd65c34b5a0f34b6c7bea161e7c6324d24a61b8829e23c25c03d0c7be52977
PDF
Publication pagefff229acf5b903445482e16ec7c4ee98da210faafc61386492df5fde4eda552a
Manifesteb50595a439fa3e5befbad99e25f7711e988107271f252d55f9ea8a25fa08e5f

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
Signatureb4YO1yDzmWFxGN5g80DS4DFtwd7wkZcNN/5rwlWolNMVy91nyAkIm4S6w4vUCMK/BFjnuW5LwEIbX7ZffzLtDg==
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

2026-09-17T12:07:18.013435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014198
observed fff229acf5b903445482e16ec7c4ee98...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.993396ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014198/manifest.json
observed eb50595a439fa3e5befbad99e25f7711...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.972549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014198/publication.md
observed 84cd65c34b5a0f34b6c7bea161e7c632...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:07:17.951404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000014198/publication.txt
observed 8171d439b61d2e4fe4eee831edaf2575...
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.