OpenTechnical

OT-2026-000009029

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000009029) never changes.

Identity and time

Publication numberOT-2026-000009029 · never reused
Internal UUID01a0ae6b-31b8-79fb-bcfe-bf3528129d73 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:10:55.823363Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000009029
StatusPUBLIC

Content hashes

Canonical textfe694233e3c21c3df657a82ff7b127aeeaedb10c5ac2a4791545a5e3da67a094
Markdown3aad36315840f547ca430290e855f17b2d281088192297dbcd36d93f66dd57f3
PDF
Publication pagecdf407e068c63aee1e28004b8f1763a816341ea594a811f9009268b3719c619f
Manifest52e018dc5a4b6aba159c6ea9123fc973f14b6eeb454293f2105de76904bfb044

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
Signatureq2B9q6nWVbLKBgv76NptRHqUp5W1Jm91GOzDMdmOOXcALMMZZ/lItAhOoK0uk0d6UJeaJkbKDwqSj7Es30ZUDQ==
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

2026-09-17T12:17:40.384613ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009029
observed cdf407e068c63aee1e28004b8f1763a8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.364259ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009029/manifest.json
observed 52e018dc5a4b6aba159c6ea9123fc973...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.346226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009029/publication.md
observed 3aad36315840f547ca430290e855f17b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:17:40.327515ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000009029/publication.txt
observed fe694233e3c21c3df657a82ff7b127ae...
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.