OpenTechnical

OT-2026-000097212

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, pump fed, supply line pressure sensor, 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-2026-000097212) never changes.

Identity and time

Publication numberOT-2026-000097212 · never reused
Internal UUID01a0aea1-01ca-7c31-a38c-c8ef47faf921 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097212
StatusPUBLIC

Content hashes

Canonical textb2babd3d6588619172ce86c658a91b6cdc68c0a070ae5d8313750c52d35688ff
Markdown1ba770864e8edb700baf8b79a41d684fc7b5135ef61859fd820e4024bcdaa756
PDF
Publication page09173fe17ea205a00a983784db4aea3fdedde9de4fad9beec862be8e21f3801f
Manifest3f01491fad6a151c35eafd8afe74e6b834ab06d47b1991ccf3599e6b8a000334

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
SignatureDHl8spMCqGXDgwv4dCGwFYDB3+mgD3oCrF5PvT0VWncszIlpmToKlaeipbMh6KfkDcLuZA57XG0fsaqZsMYHCw==
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

2026-09-17T09:33:27.336801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097212
observed 09173fe17ea205a00a983784db4aea3f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.318625ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097212/manifest.json
observed 3f01491fad6a151c35eafd8afe74e6b8...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.303701ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097212/publication.md
observed 1ba770864e8edb700baf8b79a41d684f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:33:27.287270ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097212/publication.txt
observed b2babd3d6588619172ce86c658a91b6c...
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.