OpenTechnical

OT-2026-000008586

Publication integrity record

Four cup vacuum gripper, four zone face, pump fed, pressure sensor per zone, 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-2026-000008586) never changes.

Identity and time

Publication numberOT-2026-000008586 · never reused
Internal UUID01a0ae6a-e46b-7af2-982c-959c4eed2c32 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:36.030441Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000008586
StatusPUBLIC

Content hashes

Canonical textccd108c70ab68e2d2ea06400f223c5da5f2d1f07415d95fc21aaf69beae930f1
Markdownfe55ac16c39f49375ab95a00560f230e6767d290fab04efd030efa5c90c52c5f
PDF
Publication page2d2c11019d8b2331efe81d1ce0eb100b4d121a7f7c91105b4da921687d49058b
Manifestdf3f09e4285e61b924881667518690aafd138fd05bab67e36ce244ec98c282bf

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
SignatureJ2JsMiIjzdQyZYGGmgtlwPIiW/EQ9BLomUTLDxACkmIlBfnykc8mXbFt5I/KsTZ7WhrQv2lqU4PNBMRZfn0xAw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:27:08Z
batch OT-TS-2026-W38-017 · RFC 3161 token · inclusion proof
root 20fdfaa98ae3657e4211fd7783095876...

Independent retrieval

2026-09-17T12:18:31.125924ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008586
observed 2d2c11019d8b2331efe81d1ce0eb100b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.104346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008586/manifest.json
observed df3f09e4285e61b924881667518690aa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.082008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008586/publication.md
observed fe55ac16c39f49375ab95a00560f230e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:18:31.059906ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000008586/publication.txt
observed ccd108c70ab68e2d2ea06400f223c5da...
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.