OpenTechnical

OT-2026-000051057

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, two stage ejector, vented before 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-2026-000051057) never changes.

Identity and time

Publication numberOT-2026-000051057 · never reused
Internal UUID01a0ae82-c7b5-74f9-aa40-1681370f83c1 · 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-2026-000051057
StatusPUBLIC

Content hashes

Canonical text0d17c221203fa7cdff387f369335f08ddb12af9c4357416ab38328a0864d5dc3
Markdownc854c78156163c4179a500f9ca28300de1f365f4a8db9c6dcff61cb70066cf74
PDF
Publication pagef3baca57d11d686512c830770a7f73a406c926b4887e306f99db3e4177d8424b
Manifestfa74341e96aa7908a375cba1f51331a028214c755802ed6b022a2d157ce3011b

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
Signature8v0htdbrXAmxDbbOIm9e5hD9LTEw1FPe4+SNrZoduoXMvPfBF4ZtLFIuOA2ayGYOMhCvUPXNvU3r3IAFOjONCw==
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

2026-09-17T11:00:58.567883ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051057
observed f3baca57d11d686512c830770a7f73a4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.544777ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051057/manifest.json
observed fa74341e96aa7908a375cba1f51331a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.525735ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051057/publication.md
observed c854c78156163c4179a500f9ca28300d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:00:58.507503ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000051057/publication.txt
observed 0d17c221203fa7cdff387f369335f08d...
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.