OpenTechnical

OT-2026-000100794

Publication integrity record

Three cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, pressure sensor per zone, sustained blow-off 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-2026-000100794) never changes.

Identity and time

Publication numberOT-2026-000100794 · never reused
Internal UUID01a0aea3-66f5-7de5-b0e1-b1c5d8505080 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100794
StatusPUBLIC

Content hashes

Canonical text86a07cb465c3d734e1a123f64abac2e4165efcdbee780a62908cf00d4de9845a
Markdown15259eb5582223f44d5a51ff6c025296b853af55c663bf64bf2124b59937db72
PDF
Publication page8720bd39648fd5604eb3302a1c6ec2985874fe8d9e7d5904ac76315aac1df099
Manifest4f7a0c2ca9c71321564a22066f14617db782d9743f8b2df58c1354ec83ff9737

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
SignaturerKHxw622wo7qVnbFN0RZohjJxdxD21hse1WqZ9nwg5fGVFaJaNKzIlBrmI4xbyEDQudXKX2/3Eea03jacJkSAQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:27:42.439037ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100794
observed 8720bd39648fd5604eb3302a1c6ec298...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.421232ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100794/manifest.json
observed 4f7a0c2ca9c71321564a22066f14617d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.402226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100794/publication.md
observed 15259eb5582223f44d5a51ff6c025296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:42.383552ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100794/publication.txt
observed 86a07cb465c3d734e1a123f64abac2e4...
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.