OpenTechnical

OT-2026-000052045

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, pump fed, 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-2026-000052045) never changes.

Identity and time

Publication numberOT-2026-000052045 · never reused
Internal UUID01a0ae83-e78e-7273-9823-e6e84d537b63 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052045
StatusPUBLIC

Content hashes

Canonical text70defbefc3f71cdbc31f6ee345770ef9ea24aef53c8ad73adad5799549272b28
Markdowne3c5211225a1b88d3b3a32045bc1fa59f9bcf3cff6e874fe56749f6297c00b1c
PDF
Publication page29051bf4e0b08383c0e8a2d99de2552f67726fdeda0f6e9ff5efd18bed8b4503
Manifest0194016bde4db506d982848652cfd69a3f5ecaf19fd61ad4b0ca0d044060a563

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
SignaturephoJ5Mix3+7hd79h5+uEqNh3JeLx+Bw9Y9Yv5qOlGiGqyGcoqN/pU1PbGWN2JAd1dQR9DgGQNY7Nsy+JEZoFCA==
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...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:57:33.767379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052045
observed 29051bf4e0b08383c0e8a2d99de2552f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.749776ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052045/manifest.json
observed 0194016bde4db506d982848652cfd69a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.731078ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052045/publication.md
observed e3c5211225a1b88d3b3a32045bc1fa59...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:33.710710ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052045/publication.txt
observed 70defbefc3f71cdbc31f6ee345770ef9...
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.