OpenTechnical

OT-2026-000079062

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, two stage ejector, 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-2026-000079062) never changes.

Identity and time

Publication numberOT-2026-000079062 · never reused
Internal UUID01a0ae95-ccbf-7d18-8881-ff729fb83719 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079062
StatusPUBLIC

Content hashes

Canonical text4dc4dddf736ad3c80cfb3a47f56fb461a55484b5add2fef83c9fb44c76d33db7
Markdownb059d0b22df0cfc44ad7ee685732933bdb2680b285667de872028fe2f4867355
PDF
Publication pagec61b9634ac59fbe5bde6f703a760e115f9cf5c21c78d9eb67be9c6f20c5eb027
Manifest4a7cf39233622ae67c03f6d594486d284686701efb45a647041506b447d1c206

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
SignatureheVaG5mTX9PkZv9r4OxNaIIaoeDjXnXjVKCKt4epJ4J/vE5Yil5dmmalJa/aXjBMhAgG7OK5Cyx2AtHS3axxDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:05:54.317142ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079062
observed c61b9634ac59fbe5bde6f703a760e115...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.299170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079062/manifest.json
observed 4a7cf39233622ae67c03f6d594486d28...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.279852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079062/publication.md
observed b059d0b22df0cfc44ad7ee685732933b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:54.259069ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079062/publication.txt
observed 4dc4dddf736ad3c80cfb3a47f56fb461...
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.