OpenTechnical

OT-2026-000100343

Publication integrity record

Two bellows cup vacuum gripper, two zone face, common isolation valve, pump 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-2026-000100343) never changes.

Identity and time

Publication numberOT-2026-000100343 · never reused
Internal UUID01a0aea3-3054-76b9-9f90-41e9cf5595f5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:05.469356Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100343
StatusPUBLIC

Content hashes

Canonical text09b3943bb030c4006bdd636d3b94c5dcef45aa590ecab28211a7a118c80afc34
Markdown6bf580fb7122a93cb0304a45e7f7f26c11531f715d4b17f355c504d3b49404bf
PDF
Publication page1206d945219affb220d6467c429c60be3255a60e55c1ae6497a96c640ef54a0a
Manifestdc7b5ca575280b211df11327a730cc1fd32c3872cef8311e89ad8cb1b9959af8

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
SignatureVVfMV0/TjIb+2r87LeLEJKm6ovdRDMsRZI0s2Ug2q7BEobG8AaCn0ogR9STJayuiKYwOg3w8KWJSIAZdrNFuAg==
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

2026-09-17T09:30:17.373872ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343
observed 1206d945219affb220d6467c429c60be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.355466ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/manifest.json
observed dc7b5ca575280b211df11327a730cc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.333235ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/publication.md
observed 6bf580fb7122a93cb0304a45e7f7f26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:30:17.313983ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/publication.txt
observed 09b3943bb030c4006bdd636d3b94c5dc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.784388ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343
observed 1206d945219affb220d6467c429c60be...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.765862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/manifest.json
observed dc7b5ca575280b211df11327a730cc1f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.747487ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/publication.md
observed 6bf580fb7122a93cb0304a45e7f7f26c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:28:39.728251ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100343/publication.txt
observed 09b3943bb030c4006bdd636d3b94c5dc...
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.