OpenTechnical

OT-2026-000064887

Publication integrity record

Four cup vacuum gripper, four zone face, plant vacuum fed, 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-2026-000064887) never changes.

Identity and time

Publication numberOT-2026-000064887 · never reused
Internal UUID01a0ae8d-debd-7c6c-8914-8dba7de03f65 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:48:48.495161Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000064887
StatusPUBLIC

Content hashes

Canonical texte0f8f0eb1242c626faf1512cd6cc8d83f4fec86fff5838ac7df091f2d5287572
Markdownc8d970942438cb21c61a1f945aa581ec00fcf2fe6e221727b2303d95bdeaaf85
PDF
Publication page969a8e167dd573e8dee7400ec030842179db802b3a1580b4046c402b09ac741b
Manifesta09077e0c271e510c6469030378fae8ce99455a0a7cb6ffe71095366cca7e2ca

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
SignatureFeK2vWV1ol4asB8rbPw6E2VVyM7xrg9iRj3kXdlVNFuCSzQFNvEJkIUBcmJHopjNMlHp0nuim7IdmZrtLGQnAg==
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

2026-09-17T10:35:48.806390ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064887
observed 969a8e167dd573e8dee7400ec0308421...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.788792ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064887/manifest.json
observed a09077e0c271e510c6469030378fae8c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.772273ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064887/publication.md
observed c8d970942438cb21c61a1f945aa581ec...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:35:48.755557ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000064887/publication.txt
observed e0f8f0eb1242c626faf1512cd6cc8d83...
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.