OpenTechnical

OT-2026-000018975

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, plant vacuum 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-2026-000018975) never changes.

Identity and time

Publication numberOT-2026-000018975 · never reused
Internal UUID01a0ae6e-d522-72cd-b10c-206d176ca295 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018975
StatusPUBLIC

Content hashes

Canonical text20be4346ee03196d996183d221f76d4c13b0766ed7dea41d8abbe877bd8ea9d1
Markdown1a1de2dde6296a76c24ca92af1d738717366b91355d3ce88dceb95821c98a2e5
PDF
Publication page185f508cfebce6499b8e9420163f3b08253f657949fdc4a3860f8aa27f04ec66
Manifesta99bf899017e5bb51e8b5a8c12f91e66ed8f5f0c9681ed82cb1b4a6798400ed7

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
SignaturewysYcQjj0pjy1VbT5DCiWUVqRVCCGNfkYRLmTImpzgyoR11xdtly5yuZjIWh+A2nTOzF31Ko2rLM/LuolBRUAQ==
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

2026-09-17T11:59:39.170058ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018975
observed 185f508cfebce6499b8e9420163f3b08...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.148559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018975/manifest.json
observed a99bf899017e5bb51e8b5a8c12f91e66...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.128476ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018975/publication.md
observed 1a1de2dde6296a76c24ca92af1d73871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:39.110194ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018975/publication.txt
observed 20be4346ee03196d996183d221f76d4c...
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.