OpenTechnical

OT-2026-000080471

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before set-down

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-2026-000080471) never changes.

Identity and time

Publication numberOT-2026-000080471 · never reused
Internal UUID01a0ae96-7e78-7325-83a3-fd4dc13bee47 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080471
StatusPUBLIC

Content hashes

Canonical text81f731908a5a34c1bf538a5dc48cd486fe278f4273b3657499f1af6cf6351cb2
Markdown6d6252d00d478371b83c06cbda5f67a7b4d6d2cf37d06ffd06da894f6f381d51
PDF
Publication pageae8979047e3de0a24090a351251439b1c0e148785100fd86c740bae03042ecaf
Manifestb2f8115f6d30753e1b668cfd32126ecab614f2fbc46ea265b96816ca2f3c49cd

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
SignatureWbEKXe8EPFeZqeQTX2p5WKp2sO+wwpZI0ehDapv8JiQo9IQkBL6UoIMlU59U2LqXU8C/XYbcbA05Qdo0HnTBDg==
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

2026-09-17T10:02:59.482497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080471
observed ae8979047e3de0a24090a351251439b1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.463020ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080471/manifest.json
observed b2f8115f6d30753e1b668cfd32126eca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.444807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080471/publication.md
observed 6d6252d00d478371b83c06cbda5f67a7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.425420ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080471/publication.txt
observed 81f731908a5a34c1bf538a5dc48cd486...
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.