OpenTechnical

OT-2026-000044890

Publication integrity record

Six pad foam vacuum gripper, six outlet manifold, two stage ejector, supply line pressure sensor, sustained blow-off after 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-2026-000044890) never changes.

Identity and time

Publication numberOT-2026-000044890 · never reused
Internal UUID01a0ae7c-911c-79d1-b438-4d8647495d78 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:29:54.474009Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000044890
StatusPUBLIC

Content hashes

Canonical textc28ee70fdcdfcc834e9fafebe92a48fbd6b1d73331699a62bb0e2c3b116d2fad
Markdown463a98979ae1693339454c5cb3ee89b651782f05be261cea3e029e702e26f12d
PDF
Publication pagee22def04b3a53034e6b83ab6c481d1f0a8c6b2deca85a8ccd98e09e989d08321
Manifestacc324254bcc6adcd87dbce2ab16bc604eecd6cfd59c299b3a55e0ad7e2eaa58

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
SignatureNHHruVNntXloNbrLx5kb//Qusv1b4OIDT6iCVIaL83P6joMdwxb7cH3xuBJ0beGlM3HfepiBEp7YsAM/2auaDw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:11:33.047490ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044890
observed e22def04b3a53034e6b83ab6c481d1f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:33.026993ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044890/manifest.json
observed acc324254bcc6adcd87dbce2ab16bc60...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:33.006820ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044890/publication.md
observed 463a98979ae1693339454c5cb3ee89b6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:11:32.986754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000044890/publication.txt
observed c28ee70fdcdfcc834e9fafebe92a48fb...
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.