OpenTechnical

OT-2026-000061141

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, plant vacuum fed, vented after 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-2026-000061141) never changes.

Identity and time

Publication numberOT-2026-000061141 · never reused
Internal UUID01a0ae8b-137e-7ccc-805c-01127c8cd5b7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:45:45.252443Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000061141
StatusPUBLIC

Content hashes

Canonical text3073622cb1c8218074ef58ff61dcce8f02f6b4bc1300f69e0b412986763d479e
Markdown51f10690409767c2e91c3a4ae609054a1dcd291c4b3ace7b90b41e34cd8a35c2
PDF
Publication page28e679f8e84c37b5d116fef47bf962f6bb485373b3d3054e8272d11f330abfc9
Manifest75e17712924fc235821d7a6a6c82a5804bd09ad3a30d332359ee427fecc271fe

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
SignatureGteskgKcWOHOhOtXBSbUWaFCFDPhwhMjMaCG3ObfXwQwJKTcZAv6kraCPSCJ3d9dbteYtHDuCjFsdFOhQ7A6BQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...

Independent retrieval

2026-09-17T10:42:31.298286ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061141
observed 28e679f8e84c37b5d116fef47bf962f6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.278530ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061141/manifest.json
observed 75e17712924fc235821d7a6a6c82a580...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.259292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061141/publication.md
observed 51f10690409767c2e91c3a4ae609054a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:42:31.241334ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000061141/publication.txt
observed 3073622cb1c8218074ef58ff61dcce8f...
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.