OpenTechnical

OT-2026-000066087

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, pulsed blow-off 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-2026-000066087) never changes.

Identity and time

Publication numberOT-2026-000066087 · never reused
Internal UUID01a0ae8e-8dc2-7f68-a81e-6fe407932f40 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:49:33.262219Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000066087
StatusPUBLIC

Content hashes

Canonical text6795236d4728f4565f22341d0ca991a2159899f1fad82d9341d8a41c34f578c1
Markdown62302a83f831ac49276285d6539b4cf6587201f45ad8fba260309c31b27b3624
PDF
Publication page42aa10350a8aa090c517ac9e08ae08da1c894de7017588d585a176ba6839c78a
Manifestaef05133bb29be3f42b80c41599cd87f1481d3ca70f02cef5c956d93362d00ae

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
Signaturewxv+p70RIbyf0Pp9z5gnYTr+lp32QR3zB2zyz/LF4OscWGz/A7NSxmP+XtTDFRR970XaYj6gjLMPLx4eX6KjCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T08:50:46.048397ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066087
observed 42aa10350a8aa090c517ac9e08ae08da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.027542ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066087/manifest.json
observed aef05133bb29be3f42b80c41599cd87f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:46.008570ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066087/publication.md
observed 62302a83f831ac49276285d6539b4cf6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T08:50:45.990849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000066087/publication.txt
observed 6795236d4728f4565f22341d0ca991a2...
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.