OpenTechnical

OT-2026-000103024

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum fed, pulsed 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-2026-000103024) never changes.

Identity and time

Publication numberOT-2026-000103024 · never reused
Internal UUID01a0aea4-be3d-7491-abc7-49f86ceabdd5 · 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-2026-000103024
StatusPUBLIC

Content hashes

Canonical textddd3e2af39018dcb4288ad96cdaa74c8095f5a44a8560ac6e48a1e3fc0f8c2e9
Markdown10f6511d903718fab44665f1dedbc2df4921b77f0f7c4e6cd1cec4edc5e9d161
PDF
Publication page803bb182e86a6423be734a3a6eba58dcc3cf0fb099f3c9e26ffc0e088f742db3
Manifest3244282b5a4035a35642ab1375ad00276c295c2cdb1e18e1e5d3e794dc915f14

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
SignatureWjRO7FUuxQXV/r8ywOffgWkfwMQfL98fvIQEAeswq4YiZp7PiKyAPvzG19nO5PLOutyjYX2At6HAAkqy34jWAA==
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

2026-09-17T09:23:08.627370ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103024
observed 803bb182e86a6423be734a3a6eba58dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.609578ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103024/manifest.json
observed 3244282b5a4035a35642ab1375ad0027...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.590535ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103024/publication.md
observed 10f6511d903718fab44665f1dedbc2df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:08.573688ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103024/publication.txt
observed ddd3e2af39018dcb4288ad96cdaa74c8...
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.