OpenTechnical

OT-2026-000090496

Publication integrity record

Two cup vacuum gripper, two zone face, per zone isolation, 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-2026-000090496) never changes.

Identity and time

Publication numberOT-2026-000090496 · never reused
Internal UUID01a0ae9c-7f2e-7160-9953-6fa6536765ca · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:46.997728Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090496
StatusPUBLIC

Content hashes

Canonical texta96b815ee1dcf1be74ca8a29a2b065e08a9a30c6ac252a92886035275d07a29e
Markdown99558c4f8e2086e97901d11bfd97c843a6bcbdfc7c98bb6ee0f24c915d3ff036
PDF
Publication page3378bf4e51bb83167762ed4d0e0ed51776a4f6893f6c42e5e054ea21d910f129
Manifestad3d8ff2359f7c3ee65217fd8d8cd163a3188fd588fcab792cf8d80bb64da288

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
SignaturejYWrUyCXIy2maO+Ut8Sry8DdLclkPqc2cTiB3JJBD2ZWV3LKkBGu/maf9v1wSGWn1xuE+3cYe4nADAlBDdFYDg==
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

2026-09-17T09:44:38.268252ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090496
observed 3378bf4e51bb83167762ed4d0e0ed517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.250407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090496/manifest.json
observed ad3d8ff2359f7c3ee65217fd8d8cd163...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.231644ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090496/publication.md
observed 99558c4f8e2086e97901d11bfd97c843...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:38.214391ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090496/publication.txt
observed a96b815ee1dcf1be74ca8a29a2b065e0...
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.