OpenTechnical

OT-2026-000091230

Publication integrity record

Two cup vacuum gripper, two zone face, two outlet manifold, three stage ejector, pressure sensor per zone, sustained 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-2026-000091230) never changes.

Identity and time

Publication numberOT-2026-000091230 · never reused
Internal UUID01a0ae9c-f16c-7d7d-8f27-dbcf48ae5935 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:16.158740Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091230
StatusPUBLIC

Content hashes

Canonical text390e6b6c591b378944fe395bf3b7aa0b10560bf39b2cd32201716516e1e3933f
Markdown5eb0615bc65d6f549fc48d03eb1c7bd361aef9a4dbc8153a2b8961c2dfb8c23b
PDF
Publication pagecfccdf7e8fb682594dbbe5042db96e37c219fabb5435f99a8859af8f821ccc8a
Manifest97bc93eea3ba1383c59b47389dd19fed088301ea60a6f089c34bade00bc55cee

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
Signaturet582k3Mg3K/YhIlyy3oynux1uS9BukKsnlowFA6UKAn+9zzk541fGoBZGrZCIrcCNO1f73WcgwDt95sRmbM+Cg==
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

2026-09-17T09:43:13.699815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091230
observed cfccdf7e8fb682594dbbe5042db96e37...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.682673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091230/manifest.json
observed 97bc93eea3ba1383c59b47389dd19fed...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.625908ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091230/publication.md
observed 5eb0615bc65d6f549fc48d03eb1c7bd3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:43:13.570760ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091230/publication.txt
observed 390e6b6c591b378944fe395bf3b7aa0b...
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.