OpenTechnical

OT-2026-000059578

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, pump fed, manifold pressure sensor, vented 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-2026-000059578) never changes.

Identity and time

Publication numberOT-2026-000059578 · never reused
Internal UUID01a0ae89-ec23-7d77-a19f-fbc3edc4a05d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:44:29.732559Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000059578
StatusPUBLIC

Content hashes

Canonical textb80c2112e730ab4e790277f7bbab2c715d53669627ff0893a798115fd37ad070
Markdowncf7fcbb41ce95dc7b63fd56bb07145f9bad87a43dc5ddbcec9d161eae6c40245
PDF
Publication pageaaac24d4a9c25440212f7398c10a3180a72e826a5b4272fb6f98445af7a65c8c
Manifestea1ed4a6f08e6a343e6bc53dfef0655613cf10b6cf72471c8a251df2cb150beb

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
Signature94+1eXLzPY1ofA0mi2HN4wZaGu+FaqOioYDSAHKyuVmYm0PQAPg7TM6H1Nu28o3GRW0gtljCtOMYNbSpho7KBw==
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

2026-09-17T10:44:13.613620ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059578
observed aaac24d4a9c25440212f7398c10a3180...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.596112ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059578/manifest.json
observed ea1ed4a6f08e6a343e6bc53dfef06556...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.578728ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059578/publication.md
observed cf7fcbb41ce95dc7b63fd56bb07145f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:44:13.561319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000059578/publication.txt
observed b80c2112e730ab4e790277f7bbab2c71...
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.