OpenTechnical

OT-2026-000085659

Publication integrity record

Two cup vacuum gripper, two zone face, 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-2026-000085659) never changes.

Identity and time

Publication numberOT-2026-000085659 · never reused
Internal UUID01a0ae99-aaad-77d2-bcd7-64d3a0d874f8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:01:41.564662Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000085659
StatusPUBLIC

Content hashes

Canonical textd5cfe2e8d4b7c70a47c131910d322a81bb5d3513ba107d7fe0f1515264677740
Markdown9ec4c1e077177b7dd348fdd4f5279b52cffa21cf6df1bd0961e9367c21c578e6
PDF
Publication page701ba4c21210c4a7f6e898cfdbb6947e94761958740ee13bafd14a9bbbf2c22e
Manifest4cb21eba93155ee66ff65403b1ccfe9d8126b938f50a714d2ba3f1fde17b82a3

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
SignatureX/3jBYSfGRlUh59UzamcolYXEPo1+g06zH7luov74lgFSiPWPnB05FMlgOq3ymnr4QowmgzjhmQnkY+j57bbCw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T09:54:33.029305ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085659
observed 701ba4c21210c4a7f6e898cfdbb6947e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:33.012780ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085659/manifest.json
observed 4cb21eba93155ee66ff65403b1ccfe9d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.994265ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085659/publication.md
observed 9ec4c1e077177b7dd348fdd4f5279b52...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:54:32.976987ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000085659/publication.txt
observed d5cfe2e8d4b7c70a47c131910d322a81...
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.