OpenTechnical

OT-2026-000049991

Publication integrity record

Two bellows cup vacuum gripper, two zone face, four outlet manifold, single 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-2026-000049991) never changes.

Identity and time

Publication numberOT-2026-000049991 · never reused
Internal UUID01a0ae81-fd78-7c00-99aa-94c11ad7f45c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:35:49.774136Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000049991
StatusPUBLIC

Content hashes

Canonical text07db1780eacb087eb1b3ccb0613346771279739b4e91fcad373abac08bbd343b
Markdown300706cc2bb5b633b8cc0513bff7c32c9f8e618f2822dbb73a50e3894e4bd57f
PDF
Publication pagef8bfe606cf359e2b95cd6be6a003d8571c25fe6b5543549d3121d6286c5e7d16
Manifestea01f560bd5e41f901516c3741cdce88ea5107f94e6013c4f027864f18cc315e

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
SignatureFvdH9P/bMy1CC7kZdBciUtDG5C8kanJge2QiyFL1UShbP3VGx3EhC6GeCQkDKz6fC5jk8j4Z2c4riExyFe+MAw==
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

2026-09-17T11:01:56.792098ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049991
observed f8bfe606cf359e2b95cd6be6a003d857...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.773750ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049991/manifest.json
observed ea01f560bd5e41f901516c3741cdce88...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.754651ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049991/publication.md
observed 300706cc2bb5b633b8cc0513bff7c32c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:56.735694ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000049991/publication.txt
observed 07db1780eacb087eb1b3ccb061334677...
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.