OpenTechnical

OT-2026-000022062

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, pump 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-2026-000022062) never changes.

Identity and time

Publication numberOT-2026-000022062 · never reused
Internal UUID01a0ae6f-bb5c-733e-a280-ee0f208b107f · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:15:53.201585Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000022062
StatusPUBLIC

Content hashes

Canonical text6ec0db431bb99b1d2e7e912d0b89cc2bf012c2b6620c2a3328d579fd911ecb7e
Markdown4f80566906e42a8759f31d232cad4a850365f7b62acc3cd36fd79c687f8ac6c4
PDF
Publication page5515c75d3dafde1b0334bfaa9f4818f27d75762fd7200b189848f62c556db05e
Manifest902a7f7811abae748a17c365f541b0440c51a6c565a7830ce11e63a078b4becb

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
SignatureDiCaPkVDSXLa9pHMTP5+yYk/96LWTNX20PblMak9Skmn8NnaL4LqYMnKQAB4b5FCWbKhNqL1Nv36TZ0nwEL0Cw==
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

2026-09-17T11:54:45.422212ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022062
observed 5515c75d3dafde1b0334bfaa9f4818f2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.404386ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022062/manifest.json
observed 902a7f7811abae748a17c365f541b044...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.388117ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022062/publication.md
observed 4f80566906e42a8759f31d232cad4a85...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:54:45.371008ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000022062/publication.txt
observed 6ec0db431bb99b1d2e7e912d0b89cc2b...
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.