OpenTechnical

OT-2026-000089567

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, 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-2026-000089567) never changes.

Identity and time

Publication numberOT-2026-000089567 · never reused
Internal UUID01a0ae9c-1a21-749c-9807-ccfcd91963ec · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:04:21.039513Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000089567
StatusPUBLIC

Content hashes

Canonical textc9fc9f096b681277508030c1a20022b1f301a3865d9107351e18ac52898e54ba
Markdownbac5dc933cfe2dff668ad9314b7cdea44c229367a960b0d6e3a374c59dd4a370
PDF
Publication paged78dfcf98914418af5ed676785630103762c6c2ed740eb8b728802a828f8d2c4
Manifest5b793a8f58c88b662e5df971912188e75660d658fbb4d45c0d0d8c37ed0b2a2a

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
SignaturexJ8uoRE4Ud30Vbdw+47UnYWkNgvaDY03vBTXZDyFcuhChhdv48HOOpuFh73yvF/3nFf6hJsf6ml7CRduodIqBw==
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

2026-09-17T09:46:32.446807ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089567
observed d78dfcf98914418af5ed676785630103...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.429754ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089567/manifest.json
observed 5b793a8f58c88b662e5df971912188e7...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.412042ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089567/publication.md
observed bac5dc933cfe2dff668ad9314b7cdea4...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:46:32.394576ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000089567/publication.txt
observed c9fc9f096b681277508030c1a20022b1...
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.