OpenTechnical

OT-2026-000100660

Publication integrity record

Two bellows cup vacuum gripper, two zone face, two outlet manifold, pump fed, pressure sensor per zone, 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-2026-000100660) never changes.

Identity and time

Publication numberOT-2026-000100660 · never reused
Internal UUID01a0aea3-66f3-7532-828a-ca2876800606 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:12:19.463543Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000100660
StatusPUBLIC

Content hashes

Canonical text8ae60fd93598a2ea71860af0c98c2949b0b2585205f5eb479dc2aada947988cf
Markdown3387d32ba5643e9ef791fb7b83339469cc6f3c5ab283717d2804ddec8d43d9fc
PDF
Publication page68027b9de5068aace731ad9d2d2eb2d683faf933b7b97276f74bf55b61834bc9
Manifestf000b84c41c1cda78fd59b0574cf83ea53120c98f5216f195aab465292f56813

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
SignaturenL+LJTG2g44GRgK3fZu8nFt3Lv00FbEN7PIky6unENsladfurFq175ZhlFzVLEmOBP043vS/V0OZ3r6Mx9g9Aw==
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

2026-09-17T09:27:28.115449ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100660
observed 68027b9de5068aace731ad9d2d2eb2d6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.098736ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100660/manifest.json
observed f000b84c41c1cda78fd59b0574cf83ea...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.082898ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100660/publication.md
observed 3387d32ba5643e9ef791fb7b83339469...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:27:28.064133ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000100660/publication.txt
observed 8ae60fd93598a2ea71860af0c98c2949...
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.