OpenTechnical

OT-2026-000095028

Publication integrity record

Foam pad vacuum gripper, two zone face, 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-2026-000095028) never changes.

Identity and time

Publication numberOT-2026-000095028 · never reused
Internal UUID01a0ae9f-2df0-7b36-af0a-d51751229676 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:07:42.715218Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095028
StatusPUBLIC

Content hashes

Canonical text3a8359118a9c7cd4b5efd84bbc1b5bcb9b1e3730f42ad90005a802406ca66a31
Markdown9558c17166e85e077295be5fb1b51318249fbe5c8156689a5513d1daad401894
PDF
Publication page1d64b97be25d1b27c01fb8c0b9376faa735c17cad36c5e3d30ad838ff4d054ea
Manifest8eb66b189fca8755069a7d0933b7ac6c63431f82b73560a812ec4465208a985b

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
SignatureexsoK6QSxMeIjGYtTUJi+a3iCnRbjemQJ4VEyVQ0GFyWNNX+d+W/9StOM4ADqKJWG9iAPW7BeQ1OGs3ypv8sBA==
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

2026-09-17T09:37:35.401444ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095028
observed 1d64b97be25d1b27c01fb8c0b9376faa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.383292ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095028/manifest.json
observed 8eb66b189fca8755069a7d0933b7ac6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.363898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095028/publication.md
observed 9558c17166e85e077295be5fb1b51318...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:37:35.333095ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095028/publication.txt
observed 3a8359118a9c7cd4b5efd84bbc1b5bcb...
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.