OpenTechnical

OT-2026-000091860

Publication integrity record

Two cup vacuum gripper, two zone face, six outlet manifold, three stage ejector, pressure sensor per zone, 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-2026-000091860) never changes.

Identity and time

Publication numberOT-2026-000091860 · never reused
Internal UUID01a0ae9d-43ba-7cf2-94ef-6cc29006a3b4 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091860
StatusPUBLIC

Content hashes

Canonical textbe6f5052fa8901c9062714bc33818a7bc1cdba77d5b02ed7902b352f21bb2a83
Markdownfd465b9c42ca398452225232b355c7d28c877258b9748aa749513ba6a0efd895
PDF
Publication pageab1bbcf84645060f6c8600941ec0e71733fc8caa1c25a8fe260763de03847a15
Manifest969f549574b35a898beb7c6ad35182a167e46ff0e8d47038bcd6d4a17c9527da

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
Signaturem9zvHgAE4n6gf7z0tA9Pcb9oungjhn75Lgp+bH1vh0trN9skRKFfZpmqrCfUKyiEEyY05tSr0QC8/Jj5YNr1DQ==
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

2026-09-17T09:42:47.110436ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091860
observed ab1bbcf84645060f6c8600941ec0e717...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.091927ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091860/manifest.json
observed 969f549574b35a898beb7c6ad35182a1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.074915ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091860/publication.md
observed fd465b9c42ca398452225232b355c7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:42:47.056718ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091860/publication.txt
observed be6f5052fa8901c9062714bc33818a7b...
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.