OpenTechnical

OT-2026-000029969

Publication integrity record

Three cup vacuum gripper, three outlet manifold, three stage ejector, manifold 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-2026-000029969) never changes.

Identity and time

Publication numberOT-2026-000029969 · never reused
Internal UUID01a0ae73-ac48-7ce0-acf3-cf660696b609 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:11.501096Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000029969
StatusPUBLIC

Content hashes

Canonical text6187e47cbd3299cb1d3634df7ff6fdcef20cfa9873b93cf18b00750d1229bd12
Markdown6c3f512c612ae9236bb3859b09da086099268d2a606194d4d4c3e276e3347f66
PDF
Publication page73c6e02a66eeb378b31660ca18867c95347c8b9c6a13901b811820cc1d39b493
Manifestad577a097b865856d8e0c5b102f204f8d111afbcf94127d378ebf6b039742cad

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
Signature7rrxj10rmHkUpKL9dk/HCzIwAjKBT2tK6Xdfj2Ll+f814i3S1kqtqls3LR0fj7hnfVcVoGg+iqHc4M2fohXZAg==
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

2026-09-17T11:38:41.290711ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029969
observed 73c6e02a66eeb378b31660ca18867c95...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.271785ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029969/manifest.json
observed ad577a097b865856d8e0c5b102f204f8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.254591ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029969/publication.md
observed 6c3f512c612ae9236bb3859b09da0860...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:38:41.238529ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000029969/publication.txt
observed 6187e47cbd3299cb1d3634df7ff6fdce...
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.