OpenTechnical

OT-2026-000073003

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, three stage ejector, supply line pressure sensor, 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-2026-000073003) never changes.

Identity and time

Publication numberOT-2026-000073003 · never reused
Internal UUID01a0ae92-c815-7f67-9204-fc50bbacd107 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:54:10.336919Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000073003
StatusPUBLIC

Content hashes

Canonical text0ac69710ee88664a4541f061eb319b70d5a2d2312ecc277b61e9f27746316e2a
Markdown994f6c58c4a428337ca781d0c099e88337fe9852ae9ce9825516ab4d9901226c
PDF
Publication pagef611cdd50d54360ed60a1cf6f9d9fa33abdf83cb3e9211d770b18a47c86903f7
Manifesta4c80f0579504fc810b55e9f626672532cbdc4b596265648a997663d446b2a25

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
Signaturef0vbYN2oGoSbTvaAC8sZOGbpqbSrwfhL6DWDNkgEELnFp+AMEgUuO8VA6zohxUI1+NjJ4ChHKCkiEAcEwkOaAQ==
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

2026-09-17T10:21:56.271559ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073003
observed f611cdd50d54360ed60a1cf6f9d9fa33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.252461ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073003/manifest.json
observed a4c80f0579504fc810b55e9f62667253...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.235798ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073003/publication.md
observed 994f6c58c4a428337ca781d0c099e883...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:21:56.216255ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000073003/publication.txt
observed 0ac69710ee88664a4541f061eb319b70...
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.