OpenTechnical

OT-2026-000090279

Publication integrity record

Two bellows cup vacuum gripper, two zone face, 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-2026-000090279) never changes.

Identity and time

Publication numberOT-2026-000090279 · never reused
Internal UUID01a0ae9c-4290-7aef-8423-ca4b46bc40fb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:31.390046Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000090279
StatusPUBLIC

Content hashes

Canonical texte3c5267fb9b7c195fc3d41c495b18aca751f118e57a0e64409c6941ae41b8215
Markdownb06a6e2f5cd3f2e227f12e7aa8c25a9ff0d53fe1f80842add7e71e81e36e79bf
PDF
Publication pageb619967e7544d0e94245e544ab4cfa8e7a638f2ca1a4bf1e7721bc089ed0b313
Manifest5905cd4e90a62f97a3fa2bd92a33926cb3425d68839e0eb88b400b9e2ec3dd88

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
SignaturenUUHSWJEpasCBDN1JOuP/jXDkvvw0hHtQAso+P4Sv0wqq0CuyYEw2sK8DTtbsyg0MM7wfEgdqpeMIgey8YdICQ==
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

2026-09-17T09:46:21.746435ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090279
observed b619967e7544d0e94245e544ab4cfa8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.728659ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090279/manifest.json
observed 5905cd4e90a62f97a3fa2bd92a33926c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.709607ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090279/publication.md
observed b06a6e2f5cd3f2e227f12e7aa8c25a9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:21.692131ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000090279/publication.txt
observed e3c5267fb9b7c195fc3d41c495b18aca...
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.