OpenTechnical

OT-2026-000095516

Publication integrity record

Two cup vacuum gripper, two zone face, common isolation valve, single stage ejector, 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-2026-000095516) never changes.

Identity and time

Publication numberOT-2026-000095516 · never reused
Internal UUID01a0ae9f-8f74-77e7-91e9-50055848be21 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:08:07.681434Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000095516
StatusPUBLIC

Content hashes

Canonical textfc4f7e0acaa22dc43e16e21a5eb93015d1d8e214fab544cff63b0d872aa3df2e
Markdowna98eb3635c8b247773885051088a87191caa955ae5e3d4f1111e2174288794e1
PDF
Publication page5b2b110865091bfcc6f060eafe512f4aedf211c2430af0490a958c2f4e62e3d8
Manifest3b323a27214ea5f3a0520af7845f6af3217cf604b9dfd1d157bc093e5711b9fd

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
Signature/nr+2g6hyo+o0JrDTXFLVLDbJkzacA4mfxS2atDhYl3vERDljX08qQvxZKWeHDiUjQIWsoaaTpEl5G0ea/hfBA==
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

2026-09-17T09:36:55.479846ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095516
observed 5b2b110865091bfcc6f060eafe512f4a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.464180ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095516/manifest.json
observed 3b323a27214ea5f3a0520af7845f6af3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.450067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095516/publication.md
observed a98eb3635c8b247773885051088a8719...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:36:55.433684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000095516/publication.txt
observed fc4f7e0acaa22dc43e16e21a5eb93015...
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.