OpenTechnical

OT-2026-000098174

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, single stage ejector, supply line 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-2026-000098174) never changes.

Identity and time

Publication numberOT-2026-000098174 · never reused
Internal UUID01a0aea1-e964-771f-b4f2-0c9b9d2d1b85 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:10:41.837875Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000098174
StatusPUBLIC

Content hashes

Canonical text6572f64797d18152d012d59109224c31fa47c55e41d3a28f12e034ceb92e643e
Markdown88fe35665e7c0793f02e9deb34e31d7ffda79e92890790869cf5ed4d704302a8
PDF
Publication page09aa07aa73da711c4d97c25c882175afe47ed59eb302546c7e3dc80f9c5f6098
Manifest64b5a04bf537d8e5e493dbfba3eddec55194baf06c568c733fbe29f78f27642b

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
SignatureZt85OC7OxUbCMqWikv1g9eSZ2O4DLI6dT53fGYMAgjFiPozo+B4w2268nFTWJSTM9hwXL4O/NGC3iwqvuzwWDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:31:19.686852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098174
observed 09aa07aa73da711c4d97c25c882175af...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.669038ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098174/manifest.json
observed 64b5a04bf537d8e5e493dbfba3eddec5...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.650505ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098174/publication.md
observed 88fe35665e7c0793f02e9deb34e31d7f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:31:19.632313ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000098174/publication.txt
observed 6572f64797d18152d012d59109224c31...
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.