OpenTechnical

OT-2026-000090713

Publication integrity record

Three bellows cup vacuum gripper, three zone face, per zone isolation, plant vacuum fed, 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-2026-000090713) never changes.

Identity and time

Publication numberOT-2026-000090713 · never reused
Internal UUID01a0ae9c-7f31-7e22-8733-3abc045eb4c7 · 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-2026-000090713
StatusPUBLIC

Content hashes

Canonical text3331c1b37356ab2c58f17f9d38a5f6bcf55d7899160120e190e7f1865b48ba59
Markdown440efdf262fdb63299230473a211a1785a0a5913a19df57612b1836da41e0d77
PDF
Publication pageeaeee495844750a5580bec62b63d4207725541c94ef9d0227942dd508b0eebe1
Manifest4872af1562d16bbc8a92a9b8cc001ed41b6d25e38494a4078dfd3897cac9156c

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
SignaturePoWl0gIaF92+oBXmeUSL1eig+50QYkzmFbVRJkDV/ChXJi10vTPPqXgChDOOBtmqfpwbDTPzK4dn6t3qFxPyAw==
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

2026-09-17T09:44:55.153097ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090713
observed eaeee495844750a5580bec62b63d4207...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.135672ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090713/manifest.json
observed 4872af1562d16bbc8a92a9b8cc001ed4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.118177ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090713/publication.md
observed 440efdf262fdb63299230473a211a178...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:55.099603ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090713/publication.txt
observed 3331c1b37356ab2c58f17f9d38a5f6bc...
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.