OpenTechnical

OT-2026-000071788

Publication integrity record

Three bellows cup vacuum gripper, three outlet manifold, plant vacuum fed, vented 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-2026-000071788) never changes.

Identity and time

Publication numberOT-2026-000071788 · never reused
Internal UUID01a0ae92-1e91-77ae-af72-8f2077feeea5 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:53:26.841552Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000071788
StatusPUBLIC

Content hashes

Canonical text094a3a70ae9dfa94867b5b9825e4cb3945e145658769404d94993fccb12f9c77
Markdownbbf0b7079cd1439274231821bd1b81f3b581f9dc51e64a75a5102bf99a255eec
PDF
Publication pageab68081541d4a496ef414b171dbc62c2018a9c9b0bab72ccd9c078f6702332fb
Manifestcc042fa581d97e6f949f7a0ffa97672849a837ec306e7f957a1b78336d6e83e9

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
SignatureACdmEg9RIy5TWhhQHNJsRkziDYPWa/XAgUNRo78LEjXxQE74fdKuHUAzjVi/N9k2EvNkY18q9t/0L0Q2/RcABA==
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

2026-09-17T10:23:57.253438ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071788
observed ab68081541d4a496ef414b171dbc62c2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.235824ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071788/manifest.json
observed cc042fa581d97e6f949f7a0ffa976728...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.220623ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071788/publication.md
observed bbf0b7079cd1439274231821bd1b81f3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:23:57.204017ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000071788/publication.txt
observed 094a3a70ae9dfa94867b5b9825e4cb39...
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.