OpenTechnical

OT-2026-000067239

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, three stage ejector, pressure sensor per zone, pulsed 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-2026-000067239) never changes.

Identity and time

Publication numberOT-2026-000067239 · never reused
Internal UUID01a0ae8f-6bd5-707d-9d81-ce11713056c8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:50:29.998864Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000067239
StatusPUBLIC

Content hashes

Canonical text3f83b10c8e6d4f6a04146ad27fd579e80133eeb7d935e627d779660487f54561
Markdown1616e06df4f2cca97002f101b524528fea00a349baf7a51b18117c50ebba37fd
PDF
Publication page6d3e3aa15dadf777c9e2f4135054471d686127c6902f7972e1255cbd2ca242b7
Manifest5b775cdc56994fc3592dba6ca4a8eff9d720b25ffc649803e47a4e2064812026

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
SignaturekqFy9FYS/GJ0WR4NwAHEX2LeVDvuXk13qn7UcuccvHBgkE/xytwHa412s47oP4DKySx3iHj9W8QQDqsK8OvrDg==
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

2026-09-17T10:30:54.639293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067239
observed 6d3e3aa15dadf777c9e2f4135054471d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.622052ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067239/manifest.json
observed 5b775cdc56994fc3592dba6ca4a8eff9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.603379ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067239/publication.md
observed 1616e06df4f2cca97002f101b524528f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:30:54.583376ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000067239/publication.txt
observed 3f83b10c8e6d4f6a04146ad27fd579e8...
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.