OpenTechnical

OT-2026-000064127

Publication integrity record

Two cup vacuum gripper, two zone face, pump 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-2026-000064127) never changes.

Identity and time

Publication numberOT-2026-000064127 · never reused
Internal UUID01a0ae8d-a45f-79c0-8fe0-a53c18f4ac4e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:33.392114Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064127
StatusPUBLIC

Content hashes

Canonical text33f33ccdb104b95616ec3c9d8429a636541857cf8460502d4893a4707fec96ce
Markdown2452cff5ea13a7b63de104d0029275c21c8f73ff0cdeeb31596979d73d2e91fa
PDF
Publication paged90fe5be0252c3745d13031ab4586760677cfecd0b2e18ae71340e07c97a9f8b
Manifest68b90fe6fcd47748307f90cdd114feeccc63f770830327e3830ab248ec416007

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
Signaturejbs1K/WU7v170WN9yNG2uAYD2f3BMO+8pYJlF0aEdN0Cw7VttsZloBZfAmsOIdjeuWtQxCVV2vurayzY6bRXAw==
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

2026-09-17T10:36:07.561841ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064127
observed d90fe5be0252c3745d13031ab4586760...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.543961ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064127/manifest.json
observed 68b90fe6fcd47748307f90cdd114feec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.522516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064127/publication.md
observed 2452cff5ea13a7b63de104d0029275c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:36:07.504500ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064127/publication.txt
observed 33f33ccdb104b95616ec3c9d8429a636...
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.