OpenTechnical

OT-2026-000083469

Publication integrity record

Four bellows cup vacuum gripper, four zone face, single stage ejector, 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-2026-000083469) never changes.

Identity and time

Publication numberOT-2026-000083469 · never reused
Internal UUID01a0ae97-c965-7bc6-8c4f-c2a68cac497c · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:59:38.321156Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000083469
StatusPUBLIC

Content hashes

Canonical textdf321fac3e5998504ce7662e980722b2fab10061a95258ce378d9f3b63848bd2
Markdownbd44083d4b054410a48403250815e88445eae441a81b8f85d7c7ee6959ef4201
PDF
Publication page661304fa440fbcf9afeed8ea57c4641f00e77ca10fb1727e67a8f1eb56a7c408
Manifeste11b9216aee98f272985a00688c91c25ff60c635bd27a55dee916877f47912b8

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
SignatureCbON/U4jvG9vToOSkIeW9Vt0xzPRmHkMvzYxv+k3XdNIWZbc/W1ElJcODsJgqxCL3gWLSR4fw59gaQ0RIGp5Ag==
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

2026-09-17T09:57:53.448537ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083469
observed 661304fa440fbcf9afeed8ea57c4641f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.432253ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083469/manifest.json
observed e11b9216aee98f272985a00688c91c25...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.413833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083469/publication.md
observed bd44083d4b054410a48403250815e884...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T09:57:53.398165ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000083469/publication.txt
observed df321fac3e5998504ce7662e980722b2...
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.