OpenTechnical

OT-2026-000077789

Publication integrity record

Two cup vacuum gripper, two zone face, three outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000077789) never changes.

Identity and time

Publication numberOT-2026-000077789 · never reused
Internal UUID01a0ae95-2ed0-7354-81f0-767470122e61 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077789
StatusPUBLIC

Content hashes

Canonical textcbaa73fba5dc4dba743bacc1e30274af40e7a502a59746900c6db9137cc07fb2
Markdowna39f9519c9fd5520c42863f1e9f3a14eb99ac0445e4ba6ee2ecb3a68738ea7e8
PDF
Publication pageeeb761edff233217670deff699d9ba6edb5a0d58435c45520cc2d2ce5700b796
Manifestce579a9a3750f9d814b8576e4c87c626a522dea17783029131bfd0adb8d8f1d7

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
SignatureX/uOCaZcQnJFf3nWqJYLhP8nWy8FzfSTj88hbj9+KEVNod2R9ILQS6QsIkdZl5mlF9F/CHjmfE/OkQQad29SDA==
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

2026-09-17T10:07:22.543865ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077789
observed eeb761edff233217670deff699d9ba6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.526809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077789/manifest.json
observed ce579a9a3750f9d814b8576e4c87c626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.507981ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077789/publication.md
observed a39f9519c9fd5520c42863f1e9f3a14e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:07:22.490060ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077789/publication.txt
observed cbaa73fba5dc4dba743bacc1e30274af...
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.