OpenTechnical

OT-2026-000078037

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, 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-2026-000078037) never changes.

Identity and time

Publication numberOT-2026-000078037 · never reused
Internal UUID01a0ae95-2f44-7559-ad5b-f7ce9063b539 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078037
StatusPUBLIC

Content hashes

Canonical textf9cdccb0526607b85437db98a5dacae746c1668ee3531f40ee9aa4b5bd515429
Markdown3fc2fe9e70838581aff0491b8c5e0212bd626d184e3b3b36b9f002360c0ee3ae
PDF
Publication pagebb77d4ecf59861b4e944768e200532011d07fc405c98d6b907d94938a368aaa5
Manifeste2c5504901ae0af11308d8aaf0573ff344b41921dcc87d6bcb12b23788d05452

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
Signature6t1h1QTh54D3IzNR8HFMSKiol576LMuM+WarqSQsTxQl0w9nu5k2e2Nr7AlaKA/SzIgGwJeVB69fJ9tCNco3AA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:46.985548ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037
observed bb77d4ecf59861b4e944768e20053201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.963964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/manifest.json
observed e2c5504901ae0af11308d8aaf0573ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.939513ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/publication.md
observed 3fc2fe9e70838581aff0491b8c5e0212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:46.553596ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/publication.txt
observed f9cdccb0526607b85437db98a5dacae7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.751288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037
observed bb77d4ecf59861b4e944768e20053201...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.732392ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/manifest.json
observed e2c5504901ae0af11308d8aaf0573ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.712642ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/publication.md
observed 3fc2fe9e70838581aff0491b8c5e0212...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:19.693161ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078037/publication.txt
observed f9cdccb0526607b85437db98a5dacae7...
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.