OpenTechnical

OT-2026-000097038

Publication integrity record

Four cup vacuum gripper, four zone face, single stage ejector, supply line pressure sensor, 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-2026-000097038) never changes.

Identity and time

Publication numberOT-2026-000097038 · never reused
Internal UUID01a0aea1-01c9-7517-aefa-3414baf2e474 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:09:42.488246Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000097038
StatusPUBLIC

Content hashes

Canonical text2a9c59fbfa4dd97e743f7b78267c85b65f610287a2665f5e98dfe7197fb7c026
Markdown17d685a918fa1cc707a86845d4b53275445ec5643b625d7deb99b59039874b91
PDF
Publication page9f55cc3a99f7151922225f84536ec41401b9b44032e01af8b48d22ac83df55d8
Manifestefd8058ea54c744be991acd7fdc4b1e9dae57d27721eda73d78fe73ff50e317e

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
SignatureG+kmaR8uXtiU0N3MEw1ohR7Ixq7PONhTquDbczglU8PwdjWk1Sz2Fjb3gqajzSjFYBUK7UYzNhv92hUZuQTzDQ==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:27:04Z
batch OT-TS-2026-W38-023 · RFC 3161 token · inclusion proof
root 095d30148a2ef87d42d7818ebe7543f9...

Independent retrieval

2026-09-17T09:10:33.439691ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097038
observed 9f55cc3a99f7151922225f84536ec414...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.419349ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097038/manifest.json
observed efd8058ea54c744be991acd7fdc4b1e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.398964ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097038/publication.md
observed 17d685a918fa1cc707a86845d4b53275...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:10:33.381160ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000097038/publication.txt
observed 2a9c59fbfa4dd97e743f7b78267c85b6...
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.