OpenTechnical

OT-2026-000018811

Publication integrity record

Four cup vacuum gripper, four zone face, six outlet manifold, two stage ejector, 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-2026-000018811) never changes.

Identity and time

Publication numberOT-2026-000018811 · never reused
Internal UUID01a0ae6e-d521-796a-bcf7-6d9034836bcc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:54.261386Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018811
StatusPUBLIC

Content hashes

Canonical text36301ff0e818281a1b01a2eb4594b28b315555f7dcdcbf75cb4234a727c8d051
Markdown4d9c7c6ed8ce95002ec76cc64d4937ae7c96c7336c9cf4106fee8e26fa9fc8ba
PDF
Publication page32e0298ef42b7090a568f2cc8e7921cff0ba57556351d5f45bee3a026562dc71
Manifest2b4d8cdee4601de99e4de6debbf767d96491b71359aca0c7b02b0537073e34ba

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
SignatureOmbbL2brSXydW6nst4+Cyyw41yA7fV77NhVxKLsEOwUQRFtmw3Cl+aoZ+CZbVoSCoFTpcE8VPnL90MF60AOlBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:59:26.481499ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018811
observed 32e0298ef42b7090a568f2cc8e7921cf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.464228ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018811/manifest.json
observed 2b4d8cdee4601de99e4de6debbf767d9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.446377ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018811/publication.md
observed 4d9c7c6ed8ce95002ec76cc64d4937ae...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:26.429395ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018811/publication.txt
observed 36301ff0e818281a1b01a2eb4594b28b...
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.