OpenTechnical

OT-2026-000042953

Publication integrity record

Two cup vacuum gripper, two outlet manifold, single stage ejector, sustained blow-off after 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-2026-000042953) never changes.

Identity and time

Publication numberOT-2026-000042953 · never reused
Internal UUID01a0ae7b-3277-738d-87e2-3d6594b64c1e · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:28:24.717423Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042953
StatusPUBLIC

Content hashes

Canonical text3bf95c5b7753bcab4584ff72cd56bb16603fc22ecd078caefcc33572260888f2
Markdown9fcd255f25483c3a5eff8c45e118fe68ff62c7a5d823fcb169ce4295a1f06367
PDF
Publication page5ec0670deafbf74d725714aae259b8276d8dd6aca0cc586e00871177be56eda7
Manifeste34017587ef5f5dbec8737f659db1fee7ebc0d6fd831ad1fc35904b320093ee3

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
Signature6Jgx26ZkgPfVBW7oualhqFSgzbQREGPzvW6YCjrHSRpyzvAa6Veo+IactVmTuw+wuEOcuS0+CeXbcmoBA6QEBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:13:14.705155ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042953
observed 5ec0670deafbf74d725714aae259b827...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.684621ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042953/manifest.json
observed e34017587ef5f5dbec8737f659db1fee...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.666070ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042953/publication.md
observed 9fcd255f25483c3a5eff8c45e118fe68...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:13:14.647681ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042953/publication.txt
observed 3bf95c5b7753bcab4584ff72cd56bb16...
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.