OpenTechnical

OT-2026-000079009

Publication integrity record

Three bellows cup vacuum gripper, three zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000079009) never changes.

Identity and time

Publication numberOT-2026-000079009 · never reused
Internal UUID01a0ae95-ccbe-7af2-88d9-147b8023962e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:57:28.017032Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000079009
StatusPUBLIC

Content hashes

Canonical texte5df91c358b0fa3cf753996bacd5c08c4a5bed1f2883953b42d35d5b8a584e5e
Markdown938a8ef9d8999bf34a010a9c04ba41c85dde8614dcb9dfec6b3496130fb36371
PDF
Publication pagebd0e190e400e031f62e57c1cac3c348295475cdfebd506a37476f18d6fac46f0
Manifestca5ceb33a1d94a205e00c83554f64e8d4260a687321fef01dadc4f60f5fe31c8

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
SignatureTF7fxrObwfZ0HJA4gjyUPPrK4YpBtW6rYbD8eCR9k4D8aHPseOC5kPoHvn6guPciEtfvKFOkuxOrrM4Fvw8lBQ==
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

2026-09-17T10:05:50.638849ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079009
observed bd0e190e400e031f62e57c1cac3c3482...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.618507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079009/manifest.json
observed ca5ceb33a1d94a205e00c83554f64e8d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.596618ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079009/publication.md
observed 938a8ef9d8999bf34a010a9c04ba41c8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:05:50.577465ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000079009/publication.txt
observed e5df91c358b0fa3cf753996bacd5c08c...
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.