OpenTechnical

OT-2026-000090593

Publication integrity record

Two bellows cup vacuum gripper, two zone face, per zone isolation, three 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-2026-000090593) never changes.

Identity and time

Publication numberOT-2026-000090593 · never reused
Internal UUID01a0ae9c-7f2f-7ca3-803b-3a65dff646b4 · 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-2026-000090593
StatusPUBLIC

Content hashes

Canonical text68a1bad34cdf3f7ad49fafffb942f391665658cfb601fe12401d4f1ceac54a5f
Markdown96872186f510259d2034af9b65d964939d2cd8fb07bf583bdffca2d13471b501
PDF
Publication page97026d955633647e1a5504a9ac45706ecb5703e0917fa23be511913f7650f017
Manifest1f26c56bad3e8b3d02ab55c977cc206881f27fa349380e4749c4646ebf0db63e

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
SignatureNxAyAaBKttoR4RbGaGoWuBujs9Ek7iGZquPYZDis2Cy69HuNd2lS7gEKZn7KaQonBQaOJ68Dalha/OmhyYKKBw==
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

2026-09-17T09:44:46.672160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090593
observed 97026d955633647e1a5504a9ac45706e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.655538ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090593/manifest.json
observed 1f26c56bad3e8b3d02ab55c977cc2068...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.638497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090593/publication.md
observed 96872186f510259d2034af9b65d96493...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:44:46.619094ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090593/publication.txt
observed 68a1bad34cdf3f7ad49fafffb942f391...
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.