OpenTechnical

OT-2026-000042669

Publication integrity record

Six cup vacuum gripper, six outlet manifold, common isolation valve, three stage ejector, sustained blow-off after 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-2026-000042669) never changes.

Identity and time

Publication numberOT-2026-000042669 · never reused
Internal UUID01a0ae7a-c0cf-755e-a1d1-cb3621c3e7fa · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:55.489038Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042669
StatusPUBLIC

Content hashes

Canonical text80fcad0f8603452257178d49a1da02e256619068fb652615d13b40afc9bc45b8
Markdown40b7ebad20c1b948bd8e9f36e77a07e5bae4df2b6f82f8e3ad3e2f56e0311674
PDF
Publication page71ac80129004fd38624c34e4579b6c6eefa1b54009f6c9e398b75e12f7b2de92
Manifest04d1f0ad2d914025e2bb10d95e91e8afe078b13a1fff45d24666cdb8855e4d73

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
Signature7jo2btRPSKuDNmzl/9uvXvmRoZT/k2n6YwDsJClJ8/FTdUtSCLaA9dR43AVojh3rBN4CP7yM/dDDPdPxfo37DQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:15:00.986125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042669
observed 71ac80129004fd38624c34e4579b6c6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.965319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042669/manifest.json
observed 04d1f0ad2d914025e2bb10d95e91e8af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.943349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042669/publication.md
observed 40b7ebad20c1b948bd8e9f36e77a07e5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:15:00.924021ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042669/publication.txt
observed 80fcad0f8603452257178d49a1da02e2...
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.