OpenTechnical

OT-2026-000092859

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, single 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-2026-000092859) never changes.

Identity and time

Publication numberOT-2026-000092859 · never reused
Internal UUID01a0ae9d-b601-7d66-a02a-16f813bd19fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:06.506600Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000092859
StatusPUBLIC

Content hashes

Canonical text4ea65a274a41c56d04b860546d76ed2d844939c67b2b1a3c367d841ce5021d85
Markdownf25a40188c59631a9a78c00a8cac2c78da6949bdb32f7a74c5be53aad16276fb
PDF
Publication page3fe78fd509be6e09d7a41e8e2e1f912291be9910764de530bf448b22cac27f74
Manifest35842ff8e5f8971e156dc55fd26b56b4a3903555d26ff9d2c06a902f14f32a0d

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
Signaturev57hk1ophcyS2paGyKofLsB7RIJ9iT2fMtDgckeDO2WZiHOq+SEBD3JpZm8zg2McFGdlsJCfZ83ZdjVhMltDCg==
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

2026-09-17T09:41:31.009357ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092859
observed 3fe78fd509be6e09d7a41e8e2e1f9122...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.992384ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092859/manifest.json
observed 35842ff8e5f8971e156dc55fd26b56b4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.974226ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092859/publication.md
observed f25a40188c59631a9a78c00a8cac2c78...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:30.956104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000092859/publication.txt
observed 4ea65a274a41c56d04b860546d76ed2d...
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.