OpenTechnical

OT-2026-000064727

Publication integrity record

Four cup vacuum gripper, four zone face, three stage ejector, pressure sensor per zone, pulsed 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-2026-000064727) never changes.

Identity and time

Publication numberOT-2026-000064727 · never reused
Internal UUID01a0ae8d-deba-7585-9f88-a22bdb2347dc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064727
StatusPUBLIC

Content hashes

Canonical textd308726b933110628048f57f9c9d1246c50338465c5e88b645485cedc8a688bb
Markdownebc0fca5a368a56eb2eaad960629d6554d801145d23828d41b77a5ca77559fdd
PDF
Publication page6f52644907d86d81a7b81105ccb72f729e853baf2047788df36f8baf00ed2dd1
Manifestcc388ac0d69867bf00d131318782fe40f3b800bc8fb53d8a21fbbe4938e4b7e3

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
Signature3eL5OEX5q+pe386QFnSrFIG3Qok6VvCYMRwwMNZY3ohG1ODAYOSn9C48gvejZpHZAITdj4VBX8JelnkEQYl/DA==
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

2026-09-17T10:35:36.251756ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064727
observed 6f52644907d86d81a7b81105ccb72f72...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.234873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064727/manifest.json
observed cc388ac0d69867bf00d131318782fe40...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.218873ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064727/publication.md
observed ebc0fca5a368a56eb2eaad960629d655...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:36.201706ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064727/publication.txt
observed d308726b933110628048f57f9c9d1246...
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.