OpenTechnical

OT-2026-000032019

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, 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-2026-000032019) never changes.

Identity and time

Publication numberOT-2026-000032019 · never reused
Internal UUID01a0ae74-bad3-73bb-920a-700514c0b88b · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:20.739935Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000032019
StatusPUBLIC

Content hashes

Canonical textc4c2f9f4d4386c48d7225c503766069f85fad1ef972f821e4e8d5b0761bdd9bf
Markdown56d6ffa9760749980fec6053c30b6a6d3361ce3385ae82e21e94078a06b84d6f
PDF
Publication paged4c79949648c257f5544b0035b4912b7ed46dd481227a80a72ae47fe374b99b7
Manifestcc10bf21d94887a30ca84025112d2f560abf59154f1b8ea2bc67b9e0c8c3825c

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
SignatureZP7AeSAdSDhfTVqRaihoLViyNfULaspPMWFmdveuPbN8XAskXxM5t4ooXFyDCYT99HHsmrRnznu2vT7pbexOAQ==
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

2026-09-17T11:35:25.543196ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032019
observed d4c79949648c257f5544b0035b4912b7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.524702ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032019/manifest.json
observed cc10bf21d94887a30ca84025112d2f56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.504192ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032019/publication.md
observed 56d6ffa9760749980fec6053c30b6a6d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:25.483834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000032019/publication.txt
observed c4c2f9f4d4386c48d7225c503766069f...
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.