OpenTechnical

OT-2026-000087011

Publication integrity record

Foam pad vacuum gripper, four zone face, four outlet manifold, single stage ejector, 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-2026-000087011) never changes.

Identity and time

Publication numberOT-2026-000087011 · never reused
Internal UUID01a0ae9a-9f2d-7aca-9a9d-8b970c863f81 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:02:44.027043Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000087011
StatusPUBLIC

Content hashes

Canonical textf241e97ec6ac62579ed136edaae7db0750695e393dbca220ca44b534dc3ac120
Markdownd0d647b6b17ae501bbcc713ccd41538cc16f8732d5522f6032a8ef445e6e3c41
PDF
Publication pagecb5ba9782e3d91c25c79c9cc698ed1ca1f600dfe8da5b1d62d1b065ee7a07c31
Manifest0f99b9a53d1237566cf5f131d47edc6ea12761be347c528b813d3743f6420769

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
Signature5VJMW8aDMzALJ9JXJ8R8fzmiZznuxctWy5RChzZa0GLe2uFXcpHnOBz2coV+gNz2UPYOT7zTBh++Zo+6HMGbCA==
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

2026-09-17T09:51:13.876260ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087011
observed cb5ba9782e3d91c25c79c9cc698ed1ca...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.859541ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087011/manifest.json
observed 0f99b9a53d1237566cf5f131d47edc6e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.844646ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087011/publication.md
observed d0d647b6b17ae501bbcc713ccd41538c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:51:13.827853ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000087011/publication.txt
observed f241e97ec6ac62579ed136edaae7db07...
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.