OpenTechnical

OT-2026-000093004

Publication integrity record

Foam pad vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000093004) never changes.

Identity and time

Publication numberOT-2026-000093004 · never reused
Internal UUID01a0ae9e-090f-7a8f-b169-0b214564363a · 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-2026-000093004
StatusPUBLIC

Content hashes

Canonical text53cb25df0508d14975638455be2138d38701570ef4a9f90c784b2e34a63fb506
Markdown1b129c13c66634cf483d14132e034451d45e0c29afb3b1d01bb3229aa1ad3935
PDF
Publication pagecafba0102c97819dcdf9646f0d4ebe8faa12bd858b770fba3d3e92eefeb72ee5
Manifestaaf4dbb5ba2e43d921d0d1cf82633bb218c04fcf5f0aa6813aaae99f6f796ae9

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
SignatureVUiDl2+KhOo68quiIqdML/e2Qx3NKxCQDS55NrOclmOzWhYH83LNJ97tYTvn8hf19pVoGoPem8fYqGOO/VYZDQ==
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

2026-09-17T09:40:12.644957ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093004
observed cafba0102c97819dcdf9646f0d4ebe8f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.626224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093004/manifest.json
observed aaf4dbb5ba2e43d921d0d1cf82633bb2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.609834ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093004/publication.md
observed 1b129c13c66634cf483d14132e034451...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:40:12.589708ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000093004/publication.txt
observed 53cb25df0508d14975638455be2138d3...
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.