OpenTechnical

OT-2026-000099559

Publication integrity record

Foam pad vacuum gripper, four zone face, six outlet manifold, two stage ejector, manifold pressure sensor, sustained blow-off before 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-2026-000099559) never changes.

Identity and time

Publication numberOT-2026-000099559 · never reused
Internal UUID01a0aea2-c975-7f58-8590-0cd6a5544cc7 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:11:39.138466Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000099559
StatusPUBLIC

Content hashes

Canonical text4fd95f58c10280972224c525b7cc4dc0d06da4383ca125acde14d96121968f3b
Markdowne31c37584b2c26bddc1a6da0df978f3d332b415a23835f9beb3622fce6e2b47d
PDF
Publication paged533b4135f2df80011b403c92fddacd1ee1f122434e638cfc5c83fb7c76f4214
Manifest1842f4490cce99e2f414916a794417618afa0b1053fe541c35755c6952854ac5

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
SignatureRlfVxSIWRRMyipJUlgyCn2XmJTC/a/AkWtT6cKBMamrC4foWMS2ImNC2iBiOzcPeaHvBqQJuIhu8NxmirjIPBQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:29:28.226290ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099559
observed d533b4135f2df80011b403c92fddacd1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.210079ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099559/manifest.json
observed 1842f4490cce99e2f414916a79441761...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.191733ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099559/publication.md
observed e31c37584b2c26bddc1a6da0df978f3d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:29:28.174563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000099559/publication.txt
observed 4fd95f58c10280972224c525b7cc4dc0...
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.