OpenTechnical

OT-2026-000030285

Publication integrity record

Six cup vacuum gripper, six outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000030285) never changes.

Identity and time

Publication numberOT-2026-000030285 · never reused
Internal UUID01a0ae73-e501-78db-9386-03d77bc1b2d0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:20:26.007257Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000030285
StatusPUBLIC

Content hashes

Canonical textf009654674923cda86a6a04ac4390f253a855c294a0eb8cbe00892df369e4704
Markdownf44a82feb0147c69aba73cb3b964eb4f4def1fd19261c2b4f314f8e71d5e1c20
PDF
Publication page3e128f77bd1692f290da42dd75e22910e5294a686fc1aa47830485296e0eef84
Manifest44f332bec8b638d36ddac387287101a050f70641ce34c605fcf1822a46d22e7d

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
Signaturetqsnx9lUmhYNJuqAN4azJpvgUTHN0YeeP5w/k9WFpkI/0PXwGbLsrHAVThg2yuPwzgVqos48wSW2eK+jpk1PBA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:40:47.339022ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285
observed 3e128f77bd1692f290da42dd75e22910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.321801ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/manifest.json
observed 44f332bec8b638d36ddac387287101a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.297907ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/publication.md
observed f44a82feb0147c69aba73cb3b964eb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:40:47.280893ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/publication.txt
observed f009654674923cda86a6a04ac4390f25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.216601ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285
observed 3e128f77bd1692f290da42dd75e22910...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.199511ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/manifest.json
observed 44f332bec8b638d36ddac387287101a0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.181611ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/publication.md
observed f44a82feb0147c69aba73cb3b964eb4f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:37:57.162553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000030285/publication.txt
observed f009654674923cda86a6a04ac4390f25...
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.