OpenTechnical

OT-2026-000069159

Publication integrity record

Four cup vacuum gripper, four zone face, four outlet manifold, single 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-2026-000069159) never changes.

Identity and time

Publication numberOT-2026-000069159 · never reused
Internal UUID01a0ae90-6dcf-7e60-8fa3-fbb7560406a8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069159
StatusPUBLIC

Content hashes

Canonical textaebeb6fc1bd97f0d7cf1ed1197850f53c2bc3255011c710b50e06d28d6c549b4
Markdown8dda0c2dafd487f45e35169876092c10c1f71bf967da1fcce5c9d2013abf8bbb
PDF
Publication page880897ed87590eac9951c4a84e6bba63638fc12f6da60c40bc87218a3a4790d9
Manifestc99f8dd3cc8a8827bcfa9bf75ae1dc95fe5b89cbf0ef1f642f5b3689940c5a3b

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
Signaturevsf/0JFQDiAX08mw9YvjOVEWTzkD46s+/CiCGh3auVOjI76dN7cRL4Xx4+W+1kOIaoWQCLNxTEfDCGBG6cNaCA==
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

2026-09-17T10:29:02.768983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069159
observed 880897ed87590eac9951c4a84e6bba63...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.752638ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069159/manifest.json
observed c99f8dd3cc8a8827bcfa9bf75ae1dc95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.735632ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069159/publication.md
observed 8dda0c2dafd487f45e35169876092c10...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:29:02.717933ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069159/publication.txt
observed aebeb6fc1bd97f0d7cf1ed1197850f53...
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.