OpenTechnical

OT-2026-000041704

Publication integrity record

Four bellows cup vacuum gripper, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000041704) never changes.

Identity and time

Publication numberOT-2026-000041704 · never reused
Internal UUID01a0ae79-e8a1-77e2-aaf9-751094214fdd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:00.220789Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000041704
StatusPUBLIC

Content hashes

Canonical text7ee6629df95f8bfa2b0f59e88ab91152406e819f96f5b5f2eeec3eb2c698245a
Markdown38a4a6c84701eafbcd6cde21c24a8dd9ba2b49ee1b6fddbd89a8a095ac28eee7
PDF
Publication page17192aa10524a6cbf37d12e7bed17296f74aa66205562a7c02a25003baedb8ed
Manifest8c05b7216339eb6b07ed5ca46db8ee57d879f5a2812972cecd457b83d907ea15

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
Signaturegrgmo7Po6XLRB/1/QmgHNR192108ldQmT0c/YhaC8xCcVpS6WI856YCcsUG6WYjsa4zL/So05toB0+74nkb3Bw==
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

2026-09-17T11:16:31.044908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041704
observed 17192aa10524a6cbf37d12e7bed17296...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:31.028870ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041704/manifest.json
observed 8c05b7216339eb6b07ed5ca46db8ee57...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:31.012036ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041704/publication.md
observed 38a4a6c84701eafbcd6cde21c24a8dd9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:30.996742ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000041704/publication.txt
observed 7ee6629df95f8bfa2b0f59e88ab91152...
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.