OpenTechnical

OT-2026-000069781

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, three stage ejector, pressure sensor per zone, pulsed 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-2026-000069781) never changes.

Identity and time

Publication numberOT-2026-000069781 · never reused
Internal UUID01a0ae91-185f-7569-91a7-519b1216f068 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069781
StatusPUBLIC

Content hashes

Canonical text5e3948f53da64de10d39cd1ab64dfffa9155b72127b4d2f74f9a92ce60ae5fc1
Markdown6ce2292d480d51e29f2a9b2f18fbe6d4c7220e202f1cfa40cfcf69bcfdb5ae54
PDF
Publication page5c77ed230b5e1323605264a724071ac3e5397fce53db0f6cb0528052113bbabc
Manifest1713b5d8e45c9faeee0a321eac39852945274575e090d58c29413c70b2329449

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
SignatureWUFGfa1n67QCUdi7pQl/1c4rToMrCnIUjd29hY+8yYbpIFqi82xKfF+P2M6JubuQzxs7cuuSOcyE+84JP6uxDA==
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

2026-09-17T10:26:36.748815ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069781
observed 5c77ed230b5e1323605264a724071ac3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.731553ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069781/manifest.json
observed 1713b5d8e45c9faeee0a321eac398529...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.713930ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069781/publication.md
observed 6ce2292d480d51e29f2a9b2f18fbe6d4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:36.696673ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069781/publication.txt
observed 5e3948f53da64de10d39cd1ab64dfffa...
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.