OpenTechnical

OT-2026-000091628

Publication integrity record

Three cup vacuum gripper, three zone face, four outlet manifold, two 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-2026-000091628) never changes.

Identity and time

Publication numberOT-2026-000091628 · never reused
Internal UUID01a0ae9d-43b8-7376-9225-799c11ddb0ff · UUIDv7, RFC 9562
Publication timestamp2026-09-17T09:05:37.256105Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000091628
StatusPUBLIC

Content hashes

Canonical textd82dc2440fd171ed8f4791f95a71a9429a1a50d490c67cf8b6c3abe3aaced99d
Markdownd8f24b023aaa4fa00ebe1b30e6fe58df4560c3018b9346654467a4e66fe49ef9
PDF
Publication page9fc6bd5ae9908c12b37deaafbcdc62e99adc015fd0d161c8023c58cf3182589b
Manifest6302229c28d5cbace7ad780200ffac3a73a588cf5af6b9de3ea68205f8d0a4fc

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
Signature8Qm9wHZ75PNpmQqbKdoF9coMdrjuApl5eHZpBiK6pPcAPbjd8AaGhoSAkiaadI2rsVNUiZTZz/eWi/I5dfVqCQ==
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

2026-09-17T09:41:59.517371ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091628
observed 9fc6bd5ae9908c12b37deaafbcdc62e9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.499266ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091628/manifest.json
observed 6302229c28d5cbace7ad780200ffac3a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.482143ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091628/publication.md
observed d8f24b023aaa4fa00ebe1b30e6fe58df...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:41:59.462894ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000091628/publication.txt
observed d82dc2440fd171ed8f4791f95a71a942...
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.