OpenTechnical

OT-2026-000104251

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pulsed blow-off after set-down, on a tool changer

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-2026-000104251) never changes.

Identity and time

Publication numberOT-2026-000104251 · never reused
Internal UUID01a0aea5-3420-77e2-ae80-641db776c3e7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:14:17.519068Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000104251
StatusPUBLIC

Content hashes

Canonical texte0f7e63f13136787084a835c2cec824e73a96b817b047056a01dd95fcc570715
Markdown7c44f555009e7ca2867fc272b89c870ccb9f4b638ad2d05608cd0476e34fbc34
PDF
Publication page0e3e57971d770b43a4a26d83a52e071cafb7c567da1a6c332c2a34cf17aad0bc
Manifest2eb5fbcb70afb08bc4989c3dab0fcf805a3b758a34c6a3311a77c803169dccc8

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
Signature7PHWIiKB32rf69tMxaufih0C38EWQPanSugRC8lUG5fuO0Xx7XyXyI+eidOcY/TZR0STpEo9Wx3LP43IHeNaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:20:21.746995ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104251
observed 0e3e57971d770b43a4a26d83a52e071c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.730725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104251/manifest.json
observed 2eb5fbcb70afb08bc4989c3dab0fcf80...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.714200ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104251/publication.md
observed 7c44f555009e7ca2867fc272b89c870c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:20:21.696309ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000104251/publication.txt
observed e0f7e63f13136787084a835c2cec824e...
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.