OpenTechnical

OT-2026-000103204

Publication integrity record

Three cup vacuum gripper, three zone face, six outlet manifold, two stage ejector, 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-2026-000103204) never changes.

Identity and time

Publication numberOT-2026-000103204 · never reused
Internal UUID01a0aea4-be3e-77a7-8a11-ac81effd2b12 · 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-2026-000103204
StatusPUBLIC

Content hashes

Canonical textceb963ae8bdd3d46a101258c4ad83a4446de0668d32c6011dcc31d728b592366
Markdown8817af93f7bfe8e75e3f43551997b9ad758c8054dda565ea3e6123cf6b21fcaf
PDF
Publication pagee830f4fbf781c3b1b16f909878de8a0d8c41e89b838567d627bbdf1f91c30a61
Manifestbad019dab68f2465dd6da713f7e23836dc8ed3a2881e26f7d95bac4fc2746da6

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
SignatureHlHG7yB7xocrSF5PgIN5BUkpvrNONLczgugibBqqKfKdKG1bpQQPrTGpkoc+GqdjxJ3Qw/SC8e0GVkpcwGDDDQ==
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

2026-09-17T09:23:25.839675ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103204
observed e830f4fbf781c3b1b16f909878de8a0d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.820566ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103204/manifest.json
observed bad019dab68f2465dd6da713f7e23836...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.801794ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103204/publication.md
observed 8817af93f7bfe8e75e3f43551997b9ad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:23:25.784263ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000103204/publication.txt
observed ceb963ae8bdd3d46a101258c4ad83a44...
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.