OpenTechnical

OT-2026-000097431

Publication integrity record

Four cup vacuum gripper, four zone face, per zone isolation, pump 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-2026-000097431) never changes.

Identity and time

Publication numberOT-2026-000097431 · never reused
Internal UUID01a0aea1-55b3-7064-9538-052633f79329 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:04.087778Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097431
StatusPUBLIC

Content hashes

Canonical textf5c7e0e95d50baac6c4f16a6aaa562f366b3bd50eefbfb5a552cd9365bc7606e
Markdown11a80f9c8d8b049d673fb42b6fab4957f674863fe6d8fd23ef56e580996dacae
PDF
Publication pagef6559857492653d2a59345bc2a7ee1db730aef7f40f14f7f25962afbca105bda
Manifest49bc874a04d943862ba695a74fd8f57cd26de51cbdaca6119a7fee0b7c46d36e

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
SignatureHXEpgoksyEqX3mjuYOkpev0LjDdmfRIEiUI9owZg+Cgmvb91KB+uzubfhZ/mVGoHTrE4W2U3DP4yk8VrwUxnDQ==
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

2026-09-17T09:33:17.281193ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097431
observed f6559857492653d2a59345bc2a7ee1db...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.264874ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097431/manifest.json
observed 49bc874a04d943862ba695a74fd8f57c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.246242ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097431/publication.md
observed 11a80f9c8d8b049d673fb42b6fab4957...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:17.225540ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097431/publication.txt
observed f5c7e0e95d50baac6c4f16a6aaa562f3...
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.