OpenTechnical

OT-2026-000080969

Publication integrity record

Four bellows cup vacuum gripper, four zone face, common isolation valve, plant vacuum fed, 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-2026-000080969) never changes.

Identity and time

Publication numberOT-2026-000080969 · never reused
Internal UUID01a0ae96-b975-7594-b5eb-ca63f89f2840 · 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-2026-000080969
StatusPUBLIC

Content hashes

Canonical text9696abcd27aeeaf7be552774591ec0507767a8c720ad6d47fff1c52868771e99
Markdown62f27d76541b838c49a5c81133ebbdfe480be020ea5d7eab4fe051f21086a170
PDF
Publication pageb66658bf1ec86ed91ef374d53a7f62bfc92d54d7fb4a7658c0dc44a29c0531ea
Manifest65459d06be5ae50e4118f33be806fc523a9dfe75092534757222a8d97d663465

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
SignaturelKjc6iJQeSgMr9VqCS33VkvZPNcpkJ7++bxaZcGwVx35wpvnGrfyvYTT/5juIbEGedZdV4h5l8Au/tz7UqF0Aw==
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

2026-09-17T10:02:15.141758ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080969
observed b66658bf1ec86ed91ef374d53a7f62bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.125141ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080969/manifest.json
observed 65459d06be5ae50e4118f33be806fc52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.108404ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080969/publication.md
observed 62f27d76541b838c49a5c81133ebbdfe...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:02:15.091539ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000080969/publication.txt
observed 9696abcd27aeeaf7be552774591ec050...
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.