OpenTechnical

OT-2026-000090566

Publication integrity record

Four cup vacuum gripper, four zone face, 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-2026-000090566) never changes.

Identity and time

Publication numberOT-2026-000090566 · never reused
Internal UUID01a0ae9c-7f2f-7ba3-9e8b-080e06847572 · 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-2026-000090566
StatusPUBLIC

Content hashes

Canonical textb61578077211e04b7480fa7280ae9ae3adffb2f8f1f99eaacf1484f4f663687f
Markdown45188f7213ca4782daff5c4f4057f95ed6292b8e67c20ac324a46591c53ce61b
PDF
Publication pageab7d35d35f8d340371d37c96e0f89c5610b486f74c0c65baaf4e3e35b3112297
Manifeste5d5088cabdae338f08cabb7529739718b587879c1aa63bd217d0c14a8272296

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
SignaturefuH8ILXdAoha1mnop4pIpHfRT0dQBuVRpUhVqODJzP3FXYqN/BzjbpI5/q+PsNMBdLiSFoFooI4OS/Q/ArN5CA==
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

2026-09-17T09:44:44.560441ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090566
observed ab7d35d35f8d340371d37c96e0f89c56...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:44.541833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090566/manifest.json
observed e5d5088cabdae338f08cabb752973971...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:44.524104ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090566/publication.md
observed 45188f7213ca4782daff5c4f4057f95e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:44.506125ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090566/publication.txt
observed b61578077211e04b7480fa7280ae9ae3...
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.