OpenTechnical

OT-2026-000023698

Publication integrity record

Four pad foam vacuum gripper, four outlet manifold, common isolation valve, 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-2026-000023698) never changes.

Identity and time

Publication numberOT-2026-000023698 · never reused
Internal UUID01a0ae70-aed4-7dc0-9797-0a7dfefd674c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:16:55.528856Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000023698
StatusPUBLIC

Content hashes

Canonical text6edd5d23eb1446e41aee938ce3bef5b282299e783225021b2d76b83e0d1534dc
Markdownf1b14da814bb674176514d72b3153195234b69572c301dcf0e273751a1a8be99
PDF
Publication pagefee5d818215e9087a7dea40a375730a1d543208d5ec5629343d25e3c51646a70
Manifeste7c8cdc7e264615b29c5d56aab2552bf505a1a3f33453d9d7e63f206e8da8316

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
SignaturetH4cnkVS32ED5KolpgH5HLsXeVouDOlwbw9kspTS6h6ZtcjUrjsDrmPKW8RCkfxQIMPd+OwTsrVWRzg+xe6XCw==
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

2026-09-17T11:50:01.796640ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023698
observed fee5d818215e9087a7dea40a375730a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.778822ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023698/manifest.json
observed e7c8cdc7e264615b29c5d56aab2552bf...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.761705ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023698/publication.md
observed f1b14da814bb674176514d72b3153195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:50:01.740475ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000023698/publication.txt
observed 6edd5d23eb1446e41aee938ce3bef5b2...
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.