OpenTechnical

OT-2026-000095340

Publication integrity record

Foam pad vacuum gripper, two zone face, per zone isolation, pump fed, pressure sensor per zone, sustained blow-off before set-down

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-2026-000095340) never changes.

Identity and time

Publication numberOT-2026-000095340 · never reused
Internal UUID01a0ae9f-8f71-7f2a-857e-efc41c9a7809 · 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-2026-000095340
StatusPUBLIC

Content hashes

Canonical text43a444a8480c210f4d406821d9fe7c402ce57efea32ed27f3ae8171558530b3c
Markdown8905168831316853c43cd55c56b0d066bd936b731fe669fb3e9db6e43ee2f897
PDF
Publication pageadb8cc94c270a2019ecaced077cb0f3b31e9885b471d106769d11592b434f13a
Manifest9a7ab86e067b4fa571c705f289b871e205bc4c0ffd4ea99940ed4bece1a54e8d

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
SignatureIpFVsduDO5WXN+TJ8fuNhbi0ZBo9+DNgjDwljZhb3tHFkr356gDNltqeEySXb8r72WY5Z2dwuafGkMtGEO8aBA==
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

2026-09-17T09:36:41.916319ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095340
observed adb8cc94c270a2019ecaced077cb0f3b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.897926ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095340/manifest.json
observed 9a7ab86e067b4fa571c705f289b871e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.881291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095340/publication.md
observed 8905168831316853c43cd55c56b0d066...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:41.862823ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095340/publication.txt
observed 43a444a8480c210f4d406821d9fe7c40...
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.