OpenTechnical

OT-2026-000088217

Publication integrity record

Three cup vacuum gripper, three zone face, common isolation valve, plant vacuum 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-2026-000088217) never changes.

Identity and time

Publication numberOT-2026-000088217 · never reused
Internal UUID01a0ae9b-1aa8-760b-b722-c489f1bd9df8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:03:15.638297Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000088217
StatusPUBLIC

Content hashes

Canonical textbce875cb8917bd43c0386f16540a6ffa4e84a21034d72ae38566d3dab13933b9
Markdownad1fcc9a65bede899121a9e435034487f43bc871a60d492aecea6ef20c544367
PDF
Publication pagead38dcacdf840532b3529c469ab6399880df0e37350cba07d0f7d06d6d457184
Manifestee5406ff7f34314a8c4f5424145473461d706903579381ba4f9027866e7e791e

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
Signaturetmyjn7KhbjkDq3iNxmDkSkr+D1tK8/Nwc6h4O6TNxYgLAUoUHy4MU8LlPoL+xLm2mDeEP5qDTvvGrrbVBy8lAQ==
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

2026-09-17T09:50:15.626084ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217
observed ad38dcacdf840532b3529c469ab63998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.607982ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/manifest.json
observed ee5406ff7f34314a8c4f542414547346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.589137ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/publication.md
observed ad1fcc9a65bede899121a9e435034487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.571511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/publication.txt
observed bce875cb8917bd43c0386f16540a6ffa...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.060854ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217
observed ad38dcacdf840532b3529c469ab63998...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.036484ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/manifest.json
observed ee5406ff7f34314a8c4f542414547346...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:15.013887ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/publication.md
observed ad1fcc9a65bede899121a9e435034487...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:50:14.995056ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000088217/publication.txt
observed bce875cb8917bd43c0386f16540a6ffa...
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.