OpenTechnical

OT-2026-000019933

Publication integrity record

Six cup vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, 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-2026-000019933) never changes.

Identity and time

Publication numberOT-2026-000019933 · never reused
Internal UUID01a0ae6f-1fb7-7e0a-833d-c7ccf06d7304 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:13.354643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000019933
StatusPUBLIC

Content hashes

Canonical text8cf0f07f01f7ec33ed2edd7e4cf85ae64e833335fd314ed43a59d3cad1982bcc
Markdownf49c3fda8364a183f81c0082602a34f059a1752fe65f072610e3d1e3f3e8db00
PDF
Publication page45b606a7688fdde95cf3bae6fc2607ee8d0660af096883a0a436aef72cde9d72
Manifest843801b35bda16eafdf57e83405665931ac28a9d5576ef069f056e03a9eb245b

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
Signature407Z6toojIZfStY2cMRiBOjIb00BGEhKclLq2hRgfRhTHsFAA/uF6Vkk9HT/naBEQvz58hrefjwkkmaypcRRCQ==
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

2026-09-17T11:58:09.437281ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019933
observed 45b606a7688fdde95cf3bae6fc2607ee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.419534ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019933/manifest.json
observed 843801b35bda16eafdf57e8340566593...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.402007ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019933/publication.md
observed f49c3fda8364a183f81c0082602a34f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:58:09.384424ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000019933/publication.txt
observed 8cf0f07f01f7ec33ed2edd7e4cf85ae6...
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.