OpenTechnical

OT-2026-000087484

Publication integrity record

Two cup vacuum gripper, two zone face, plant vacuum fed, supply line pressure sensor, 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-2026-000087484) never changes.

Identity and time

Publication numberOT-2026-000087484 · never reused
Internal UUID01a0ae9a-cd51-7c48-983a-c9b129f4bd8d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:55.852518Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087484
StatusPUBLIC

Content hashes

Canonical textf5aae3ad993b45fbcee3e9eba7f67524b1d2d93a2e6fd33f469ae52f4ef4b457
Markdown988e35b05692f6daf411510d3be82fd2cf9630a6d715e14e653bc51776b07d6a
PDF
Publication page584c004954883a6013d29abe3a3e3e9cae65de648ed8d2ab991e29809aedd83e
Manifestb58bff0e94ed7577b8c10b4652bb5b0962ccd66b7ccd5cdf14f8f8a434776eb4

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
SignaturelB8sV50NnBt9mrdw0rjA0MRkKAW2zWK87G7b92wgghtw1truFDKynTOC8cFejaSmV7/jAnltHqeiFnDdYPOqBg==
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

2026-09-17T09:50:48.910170ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087484
observed 584c004954883a6013d29abe3a3e3e9c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.894189ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087484/manifest.json
observed b58bff0e94ed7577b8c10b4652bb5b09...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.878319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087484/publication.md
observed 988e35b05692f6daf411510d3be82fd2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:48.861491ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087484/publication.txt
observed f5aae3ad993b45fbcee3e9eba7f67524...
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.