OpenTechnical

OT-2026-000068860

Publication integrity record

Three bellows cup vacuum gripper, three zone face, four outlet manifold, two stage ejector, 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-2026-000068860) never changes.

Identity and time

Publication numberOT-2026-000068860 · never reused
Internal UUID01a0ae90-6dcc-72dc-b60b-c4daaeac90c0 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:51:36.025578Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000068860
StatusPUBLIC

Content hashes

Canonical text85d13b6292f8d6749bdba95d5d38b05767b6dc14f72ef69d572a2c02059ba10a
Markdown7acdce6491d7487608901e254900e1f16268259938248d90e1caf4a9bae917a0
PDF
Publication pagefe4e921bf0acbd85002f303059a527e930b311c0ad62cb9206b2e2a70c6a0193
Manifest7ce0b765c43b086a67fc2b642ea79a7ec74fe55d89c515a7aca16811dac47f1a

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
SignatureCo2Sb9h3CAz3g9V+HdmZmUZ8qYkRAgY68u1R5wp++pB+aWW17kp8gBU8QRuAlL5x0I0I4BT84PtCEn/1ol5OCw==
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

2026-09-17T10:28:40.431543ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068860
observed fe4e921bf0acbd85002f303059a527e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.415304ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068860/manifest.json
observed 7ce0b765c43b086a67fc2b642ea79a7e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.396417ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068860/publication.md
observed 7acdce6491d7487608901e254900e1f1...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:28:40.379507ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000068860/publication.txt
observed 85d13b6292f8d6749bdba95d5d38b057...
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.