OpenTechnical

OT-2026-000093113

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, pump fed, supply line pressure sensor, sustained 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-2026-000093113) never changes.

Identity and time

Publication numberOT-2026-000093113 · never reused
Internal UUID01a0ae9e-0910-7dbf-b93f-b49bbe36ad29 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:27.740822Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093113
StatusPUBLIC

Content hashes

Canonical text4717b1ee6f0ea8af269a73d46a2786a6ad3362cae8301a8c315e135fc4b5b09b
Markdown1e235c4962f42b92c29567f7f348e9f028aed30b6f209469b2aa3dcde9f5e56e
PDF
Publication pagebdb8bb590df5307b1296f80e98387626185f5588d08a83f5a4070ed10adf7dbb
Manifest8d2f9b2e269245e13ec7bf3c22aaf6cd17c2eb686fbb840901b3903d202f9525

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
SignatureWO2RkbK6lrIgpPEUO75n825M75arrKPWuONGF2cLJuWSylHjvc6yPinAj33B6RZ+YAMVOGF0YBBPdpSsJj2NCA==
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

2026-09-17T09:40:23.832237ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093113
observed bdb8bb590df5307b1296f80e98387626...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.814563ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093113/manifest.json
observed 8d2f9b2e269245e13ec7bf3c22aaf6cd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.798434ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093113/publication.md
observed 1e235c4962f42b92c29567f7f348e9f0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:23.778124ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093113/publication.txt
observed 4717b1ee6f0ea8af269a73d46a2786a6...
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.