OpenTechnical

OT-2026-000097043

Publication integrity record

Four bellows cup vacuum gripper, four zone face, two stage ejector, 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-2026-000097043) never changes.

Identity and time

Publication numberOT-2026-000097043 · never reused
Internal UUID01a0aea1-01c9-7ac5-bf8c-9bcd49fbdfbd · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097043
StatusPUBLIC

Content hashes

Canonical textfeecdc9998619f00c30bf1190aa748c33097dcbc8ba740c30b18bfb82a06e983
Markdowna9517a8a1dcd75416168824930fc0affbae5fd67a87cf5511b42f65634c52858
PDF
Publication page4692075834bbb235c6142b92ce2a7965f8ad66e24771c7e6afdc441544eb2843
Manifest439641fea147f148787333c3a2a037693862746c01d9b91c68cc14ce6288c600

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
SignatureE0K2HpzNNPHtpLVfEaz1P22ONJZ2CWfgKwntzTiCSPzV2b/vzl4w0ca9H9hbeaqSLrEl3kkyn768gTNges3rBw==
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

2026-09-17T09:10:34.634799ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097043
observed 4692075834bbb235c6142b92ce2a7965...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.617549ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097043/manifest.json
observed 439641fea147f148787333c3a2a03769...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.600346ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097043/publication.md
observed a9517a8a1dcd75416168824930fc0aff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:34.455684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097043/publication.txt
observed feecdc9998619f00c30bf1190aa748c3...
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.