OpenTechnical

OT-2026-000050819

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, 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-2026-000050819) never changes.

Identity and time

Publication numberOT-2026-000050819 · never reused
Internal UUID01a0ae82-c7b2-7f8c-85a7-99d923900c75 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:41.548889Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050819
StatusPUBLIC

Content hashes

Canonical textec7bee4cb9ed081890d479e824d60d89223046d87f33ed17177106c42025578e
Markdowna8d88ec9d7631ef1f3535511ccb52c8498a062d97cde20217881271c6e967cb5
PDF
Publication page7f98b47358248800a6e7c4784f3481bbde50cb95b993a6538a9820a79e732154
Manifest9715a8e4db71904390bd1886e322676c3f287027b240d04e7eef5ff77c45d0f1

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
SignaturesF1DbUvusS5vIqQFVukvAwJmr8ienE8nEoeFKafZKth3VvfCEWnexHRBI3PFtavHuAtEm6Q+t4Teu1Tu+6zVBg==
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

2026-09-17T11:00:22.112120ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819
observed 7f98b47358248800a6e7c4784f3481bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.083756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/manifest.json
observed 9715a8e4db71904390bd1886e322676c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.061750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/publication.md
observed a8d88ec9d7631ef1f3535511ccb52c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.041459ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/publication.txt
observed ec7bee4cb9ed081890d479e824d60d89...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.032718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819
observed 7f98b47358248800a6e7c4784f3481bb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:22.012616ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/manifest.json
observed 9715a8e4db71904390bd1886e322676c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.987298ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/publication.md
observed a8d88ec9d7631ef1f3535511ccb52c84...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:21.960806ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050819/publication.txt
observed ec7bee4cb9ed081890d479e824d60d89...
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.