OpenTechnical

OT-2026-000080957

Publication integrity record

Four cup vacuum gripper, four zone face, common isolation valve, three stage ejector, 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-2026-000080957) never changes.

Identity and time

Publication numberOT-2026-000080957 · never reused
Internal UUID01a0ae96-b975-7a2b-be3e-cf6e1869c9a2 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:58:28.739380Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000080957
StatusPUBLIC

Content hashes

Canonical text55abce9ea760e897596558410a02fd37e598d2e03701f49fcce638dcc0a9856f
Markdown86a038188d4507a0712d248afe55b09efba44262e53f78f3b60ed5654510f800
PDF
Publication pageb12fcc7fabfafcac95711897e04545e04f225d261ad211678180a3eb783c4081
Manifesta6fb4258ac3de9b9922298e885576debcfce505f58d1967738454a45ae997e66

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
SignatureDwfCfgUi5E3SjzXojPuk1Bxuo72pO27jSInGcYT9UQGEl2voWHIKN5C5RZVSSm2vNSjpnZdWEOnbT/O3SSGWAA==
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

2026-09-17T10:02:14.241672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080957
observed b12fcc7fabfafcac95711897e04545e0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.224818ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080957/manifest.json
observed a6fb4258ac3de9b9922298e885576deb...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.206413ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080957/publication.md
observed 86a038188d4507a0712d248afe55b09e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:14.189158ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080957/publication.txt
observed 55abce9ea760e897596558410a02fd37...
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.