OpenTechnical

OT-2026-000095571

Publication integrity record

Foam pad vacuum gripper, two zone face, common isolation valve, plant vacuum fed, pressure sensor per zone, 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-2026-000095571) never changes.

Identity and time

Publication numberOT-2026-000095571 · never reused
Internal UUID01a0ae9f-8f75-7fc4-8afc-4bf49e2bd626 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095571
StatusPUBLIC

Content hashes

Canonical text6d1812b462941c6902127b59e7a1f91e1140e867d3fdc2dc04538af95a460186
Markdown5f1b5af5148e21b82d1cb0b326137ff30f5540884b618617aaaf2e25ef699d04
PDF
Publication page8bb1c31a8e258d1e4b8c124b94d90ce9d9e6e571abd2ec1741b9db54bc08a2b5
Manifest2122db5c7cc13ba37aeea265f3e73690332b892c31b5682a804fb990ccf8601a

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
Signature+0haL43WwW+pw7oHPJsxXmdwLB54wXeEqAsvQqnG8Pl9oHPAny8/k2ve0qFPgzuyEgqWRx9PW0O8PQzdBbCuAA==
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

2026-09-17T09:36:59.325138ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095571
observed 8bb1c31a8e258d1e4b8c124b94d90ce9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.308681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095571/manifest.json
observed 2122db5c7cc13ba37aeea265f3e73690...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.291067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095571/publication.md
observed 5f1b5af5148e21b82d1cb0b326137ff3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:59.274006ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095571/publication.txt
observed 6d1812b462941c6902127b59e7a1f91e...
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.