OpenTechnical

OT-2026-000077463

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000077463) never changes.

Identity and time

Publication numberOT-2026-000077463 · never reused
Internal UUID01a0ae94-f50a-71d7-a154-cb1e98efe812 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:32.796581Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000077463
StatusPUBLIC

Content hashes

Canonical text0e6c926f583bcb0c9b5e76ce510d05e5c0f2d128c9ad137c40e4a144431cc35e
Markdown03ab2ecf4e538e3de05080ea5c10a31cf5f10cf077da6b0dfb98739726856ee2
PDF
Publication pageac112dfd3c46ac43a8ca3f483d74a79513c12af9d1cf584e6807969b2052294e
Manifeste18811dfb0c4bbec5e3251e2ddb46a44a306c002066a29872c0719f4d7d738bc

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
SignatureewgrNIDgXtiO28RUvGYLHvsmZDzrbVjJ/QIp3rMhy5+HqJzZGaEIfvi0ZNaR88XmumSkmrW5fa1IVDiyFxB2AA==
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

2026-09-17T10:09:09.055181ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077463
observed ac112dfd3c46ac43a8ca3f483d74a795...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.034514ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077463/manifest.json
observed e18811dfb0c4bbec5e3251e2ddb46a44...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:09.011979ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077463/publication.md
observed 03ab2ecf4e538e3de05080ea5c10a31c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:09:08.991724ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000077463/publication.txt
observed 0e6c926f583bcb0c9b5e76ce510d05e5...
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.