OpenTechnical

OT-2026-000103022

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, 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-2026-000103022) never changes.

Identity and time

Publication numberOT-2026-000103022 · never reused
Internal UUID01a0aea4-be3d-7f7f-89f6-6658a918fdb3 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000103022
StatusPUBLIC

Content hashes

Canonical text28b58e3861e53ba80e0bf0c3e5a753406a6f1ca2525e2adffc8568328dec28f1
Markdown7f9e2b550c8522cdda06c9d3518748210d885fcd1392370233344f905f0ed56a
PDF
Publication pagee5947741334a550ede6a6bdaa922e490f9c56682b215bfe4fb57f8d060426060
Manifestfb25d7f2d69fc15dc0e7b019002e5e41076e18a93864ba6151630a88fb940dca

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
SignatureId24fq6TCU22rs7n4TsHq/6x8s65v/TwVmQuq9gnTSbPsbkc7YUiljWKylTYVc8tbyPz5mt4tta17JhUNGoSDQ==
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

2026-09-17T09:23:08.479334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103022
observed e5947741334a550ede6a6bdaa922e490...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.461245ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103022/manifest.json
observed fb25d7f2d69fc15dc0e7b019002e5e41...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.442373ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103022/publication.md
observed 7f9e2b550c8522cdda06c9d351874821...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.423715ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103022/publication.txt
observed 28b58e3861e53ba80e0bf0c3e5a75340...
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.