OpenTechnical

OT-2026-000047197

Publication integrity record

Two cup vacuum gripper, two outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047197) never changes.

Identity and time

Publication numberOT-2026-000047197 · never reused
Internal UUID01a0ae7e-d0f9-7550-ab68-7a49644fb648 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:21.770727Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047197
StatusPUBLIC

Content hashes

Canonical text6f8c7c3bd168b9cebb27fe80d261604084e8adfdce7e8f97f3872103ed8e0e8c
Markdowna2a4cbc289265ab57df15ad54e7b0dd4652610700d9f55289b3ffbb74b2f9137
PDF
Publication pagea14814f9727e2586abe20777b292adf5d0e7bf0801afa652dfe7686e77fbf5d7
Manifest75f749d743e7dbdfba91bc88507b2d1c88c8110445ff53de4f97b7052cd84261

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
SignaturekZrYJwWA+awLG5Ts+ymdXgdaxyIJFTIP51WsUSCFMGENKaGXC1d/9w/EqcfpHxR107UTKEkh3Z6kY3JXbvgRBQ==
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

2026-09-17T11:10:34.535238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197
observed a14814f9727e2586abe20777b292adf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.517005ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/manifest.json
observed 75f749d743e7dbdfba91bc88507b2d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.497585ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/publication.md
observed a2a4cbc289265ab57df15ad54e7b0dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:10:34.479659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/publication.txt
observed 6f8c7c3bd168b9cebb27fe80d2616040...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.551999ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197
observed a14814f9727e2586abe20777b292adf5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.531553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/manifest.json
observed 75f749d743e7dbdfba91bc88507b2d1c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.512018ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/publication.md
observed a2a4cbc289265ab57df15ad54e7b0dd4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:08:01.492467ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047197/publication.txt
observed 6f8c7c3bd168b9cebb27fe80d2616040...
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.