OpenTechnical

OT-2026-000049795

Publication integrity record

Three bellows 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-2026-000049795) never changes.

Identity and time

Publication numberOT-2026-000049795 · never reused
Internal UUID01a0ae81-8fef-7cc1-98b5-097c0c5e3546 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:21.728203Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049795
StatusPUBLIC

Content hashes

Canonical text574056e65b1bd39ba11cdbcf06833a723d45b2abb1a90c37300e3b23f64e0449
Markdown2dc4957f04ce691e1cfcdd22bbf40a4da8cf728d15b27fc4fe0d15d6dda65e7c
PDF
Publication pagebfe7d8a615f76bce9f0c50531e673e23ce62bc28386808d70b23129eee3945d3
Manifest08cb64b3d87f14afca5a620bc03aeab5a968ed715bc3445b5399a691f3292df6

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
Signature2o6n7yvfoVudoHK8ZA531ESnZnh9QrOGmm7mP/TT5wUK4TaNWVyAv3VZg4Sr+6odE1OMA+r88JTsxQ/oZg6IAw==
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

2026-09-17T11:02:55.052573ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049795
observed bfe7d8a615f76bce9f0c50531e673e23...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.033218ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049795/manifest.json
observed 08cb64b3d87f14afca5a620bc03aeab5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:55.012476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049795/publication.md
observed 2dc4957f04ce691e1cfcdd22bbf40a4d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:02:54.992372ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049795/publication.txt
observed 574056e65b1bd39ba11cdbcf06833a72...
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.