OpenTechnical

OT-2026-000080465

Publication integrity record

Four bellows cup vacuum gripper, four zone face, per zone isolation, plant vacuum fed, sustained blow-off before 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-2026-000080465) never changes.

Identity and time

Publication numberOT-2026-000080465 · never reused
Internal UUID01a0ae96-7e78-7a09-9213-dbf79a3c7b55 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:13.512436Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080465
StatusPUBLIC

Content hashes

Canonical text3662a8a04db9095c228aa12f4139e50350adc100af9e820ae95ca538e0d778fd
Markdownd93c1e9866f6e6102ab7aeed7ab7f45008519d7739674c8296e6510d574bc301
PDF
Publication page805c28c8d1feab6b84a2b27b4920ba75e74f6d91e9a10a5f4876c2515ce73bb7
Manifest459158b479625a180f36597cd6b09ae671a7e07002089196ee294230fe20f2b3

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
Signature89AgmgVXHHlZvlMSSVyoXPwjHH25o46599CrqI4cxfRFqpqY+fEM6NFAbv9OY6yaEDA/bXgVSBM4cJomFQmtDA==
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

2026-09-17T10:02:59.093678ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080465
observed 805c28c8d1feab6b84a2b27b4920ba75...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.074901ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080465/manifest.json
observed 459158b479625a180f36597cd6b09ae6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.058101ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080465/publication.md
observed d93c1e9866f6e6102ab7aeed7ab7f450...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:59.041589ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080465/publication.txt
observed 3662a8a04db9095c228aa12f4139e503...
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.