OpenTechnical

OT-2026-000076569

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000076569) never changes.

Identity and time

Publication numberOT-2026-000076569 · never reused
Internal UUID01a0ae94-b06d-7857-a1aa-9da015187fd8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:15.236414Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000076569
StatusPUBLIC

Content hashes

Canonical textb11053272fbe6f991060f5d1c55a5c435ee3a30e2b13573398da29306773f699
Markdowne75b5bd01541ff4e29fb0b634539f075f5e88f9ac6a528a139e347b72dd67e26
PDF
Publication page1ecb434021bcca544b90ae0778360d31e2ac6deeb90a882ddf02091d558507fe
Manifest0b6ab4ceb7f2e13912ef83c1fa3f970429995339f4da1fb90abb2354b9d73d49

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
SignatureBBrIGLq7qFlfEM9yl/1OvvZ3Ax9NJ7iS0MYE+9Exboo8NUB7JG8idRlA5f9ltIPSv3/TujWRDbjVelda8DnnCw==
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

2026-09-17T10:09:17.266225ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076569
observed 1ecb434021bcca544b90ae0778360d31...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.247623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076569/manifest.json
observed 0b6ab4ceb7f2e13912ef83c1fa3f9704...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.227451ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076569/publication.md
observed e75b5bd01541ff4e29fb0b634539f075...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:17.206838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000076569/publication.txt
observed b11053272fbe6f991060f5d1c55a5c43...
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.