OpenTechnical

OT-2026-000102980

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000102980) never changes.

Identity and time

Publication numberOT-2026-000102980 · never reused
Internal UUID01a0aea4-be3d-7b9f-b0ae-53c6aa0afb87 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:13:47.343354Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000102980
StatusPUBLIC

Content hashes

Canonical texteaaa12cbc10740fe0241f31ff639035965195301b231cdd6a951c4ab56ec8449
Markdownea19b29c2e13e9da9d539fba2531f1885a775e1241e828df14e13bf95bf80e7f
PDF
Publication page071fd83a858ed4993ddea517904deb33a44b87dcd230cce0cabcd9e3815c9baa
Manifest285cc49385bb7bc484b0f7dd53645cdcd7c32a459088725b8a12a86caf9b12b7

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
Signatureudh+8KwFrEODXdCg34xyYNil8A2+tP7a3Xj4rZGrEr2lo3/q6L/MtNCx7k2wUeosS3ff8T6NF4nB5MfUctS6Bw==
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

2026-09-17T09:23:05.487340ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102980
observed 071fd83a858ed4993ddea517904deb33...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.469323ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102980/manifest.json
observed 285cc49385bb7bc484b0f7dd53645cdc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.452726ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102980/publication.md
observed ea19b29c2e13e9da9d539fba2531f188...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:05.436275ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000102980/publication.txt
observed eaaa12cbc10740fe0241f31ff6390359...
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.