OpenTechnical

OT-2026-000093838

Publication integrity record

Four bellows cup vacuum gripper, four zone face, four outlet manifold, plant vacuum 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-2026-000093838) never changes.

Identity and time

Publication numberOT-2026-000093838 · never reused
Internal UUID01a0ae9e-508d-7fe1-9ea0-f98c47ab46be · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:06:46.038602Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000093838
StatusPUBLIC

Content hashes

Canonical textcd3e6c302661e595de41fcf3a278f4a1f1a3701d2644fc09cbcda06f4e09f248
Markdown0f0320a210171ad7c91bf2875a3e3fcda8d18ac3a284aef50727f91b3c3fd289
PDF
Publication pageb83994719fe620811b3b0f7e017af452a88e9f08079323f1e09a9afbc6fbf6bf
Manifest0ce5b24bf1000db05c6c28ce28c10d25aad8fed604eb211d3171810ebae585f9

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
Signatureu1WMLMaNaZKsl0N1hjDOxQE8ZHUlnF0wKUJwkwYKk5fbyNMtrSCV5qT7R/4Su7RbvrqJ5avVyDY913cQSijmAA==
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

2026-09-17T09:39:57.285383ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093838
observed b83994719fe620811b3b0f7e017af452...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.266531ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093838/manifest.json
observed 0ce5b24bf1000db05c6c28ce28c10d25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.248238ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093838/publication.md
observed 0f0320a210171ad7c91bf2875a3e3fcd...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:39:57.229843ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093838/publication.txt
observed cd3e6c302661e595de41fcf3a278f4a1...
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.