OpenTechnical

OT-2026-000018083

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, plant vacuum fed, pulsed 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-2026-000018083) never changes.

Identity and time

Publication numberOT-2026-000018083 · never reused
Internal UUID01a0ae6e-96fd-7168-bf32-cffeb0a2ef99 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:38.350302Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018083
StatusPUBLIC

Content hashes

Canonical textcc5390316f1103372d98373ceacba03adc9f36e708794163dc76bd1a7c29c0e5
Markdown7b5551b064ce8ef25d12bf04d225fd1141c90ce1fe24b3cfd5325d6c7bb80260
PDF
Publication pagebfb3781c28cdd8f1c27677e8fff19251b0eeef4d3d28f9f6eaa3c8b48d997ae0
Manifestdeb4c1977d554c73064a34ec318e2871c878863b0993b661d2937dbcc6009e07

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
SignatureZb5+p7zrvJQ1whqW8STZNfvZOffVxQ20dEkyGHiXmshubWEqpU95kAGr8uwCmey5IO7z82uwZVksHF6QlETsDQ==
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

2026-09-17T12:02:07.560861ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018083
observed bfb3781c28cdd8f1c27677e8fff19251...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.544288ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018083/manifest.json
observed deb4c1977d554c73064a34ec318e2871...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.526497ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018083/publication.md
observed 7b5551b064ce8ef25d12bf04d225fd11...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:02:07.508882ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018083/publication.txt
observed cc5390316f1103372d98373ceacba03a...
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.