OpenTechnical

OT-2026-000090886

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, two 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-2026-000090886) never changes.

Identity and time

Publication numberOT-2026-000090886 · never reused
Internal UUID01a0ae9c-c011-7358-b7d3-7b418116d453 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:03.518217Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090886
StatusPUBLIC

Content hashes

Canonical text0f13d6424ff6e5c3b082e684548e6288d931bb30e9e6424728c8052f1ebd54e3
Markdown403e043b431c15d186fe5329e733e7869817d2d38ee372af7fd4fc249128520a
PDF
Publication pagea4b8840b817c7d3674858b875b9c4a3c2d59cc86889619c34a3490d78548cd23
Manifeste05102d601adf0f087c4ac05c69058050dbe2fae46000fadbefeb76833c8a6fd

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
SignatureqKJO1kbSNfn9TZCjQlphnQPKD8WNxtfAPoTmhegXGO6Swa+OjIVpTkKPX5kj9vwj0mjy3KwQmb1lZbiGKx1mDw==
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

2026-09-17T09:44:05.196231ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090886
observed a4b8840b817c7d3674858b875b9c4a3c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.177767ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090886/manifest.json
observed e05102d601adf0f087c4ac05c6905805...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.160393ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090886/publication.md
observed 403e043b431c15d186fe5329e733e786...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:05.143098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090886/publication.txt
observed 0f13d6424ff6e5c3b082e684548e6288...
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.