OpenTechnical

OT-2026-000009957

Publication integrity record

Foam pad vacuum gripper, common isolation valve, single stage ejector, sustained 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-2026-000009957) never changes.

Identity and time

Publication numberOT-2026-000009957 · never reused
Internal UUID01a0ae6b-cb79-7636-b7e5-9422898509bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:11:35.184400Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009957
StatusPUBLIC

Content hashes

Canonical text7e1b25e95824f669a050767278743b44a721a9c53c36a112895e0dd49c8017f1
Markdown25919fe35f91bc4057406260d506c6e6b1d76cf3d399653174da11c986b87a89
PDF
Publication page9de9d96d666dabe7ada9c3768f5d1ad8672196de3440cf4d11e3e34da53fc505
Manifestfea36a9e02adffde60102aa0d594a1fbc75e13989d54748be394b2f67e406521

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
SignaturedCWzfLkA/bqI02QkN4Og0vvhEVmcVQOLSwaOFmkZoNcG03hbE6OL0vBduEk7RvdW9j35cCQGYT+6QhyA3TckBQ==
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

2026-09-17T12:15:59.576556ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009957
observed 9de9d96d666dabe7ada9c3768f5d1ad8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.556737ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009957/manifest.json
observed fea36a9e02adffde60102aa0d594a1fb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.539854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009957/publication.md
observed 25919fe35f91bc4057406260d506c6e6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:15:59.520405ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009957/publication.txt
observed 7e1b25e95824f669a050767278743b44...
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.