OpenTechnical

OT-2026-000018179

Publication integrity record

Two bellows cup vacuum gripper, two zone face, six outlet manifold, pump 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-2026-000018179) never changes.

Identity and time

Publication numberOT-2026-000018179 · never reused
Internal UUID01a0ae6e-b488-7957-b7de-fba31102de3a · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:45.971508Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000018179
StatusPUBLIC

Content hashes

Canonical text78f98280ccc6f1a9b47248a91cba47fa6868ff16295eb0521a05784b74e27a53
Markdown95a125b2dbafbdf1dba7868e4c24eb9f5875db606c3825fd415bdc2d9b46ac53
PDF
Publication page44920e55c5ea5841c8fa62dde338f3ff0232b34d23c5bed28483d0eda414f23f
Manifest4d8c2417095329220652667290d6f7d2eb24cb2ae655bac18faf7c10c2ed633a

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
Signaturep0SbZCz7v5GltzA++mJaG4mns5j+H4+hSckHD2F+wki+DjjqkjqMKbv/yvLv5RvvILv7H0sYGMjwCBAsG9auBA==
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

2026-09-17T11:59:57.271506ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018179
observed 44920e55c5ea5841c8fa62dde338f3ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.252463ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018179/manifest.json
observed 4d8c2417095329220652667290d6f7d2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.232923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018179/publication.md
observed 95a125b2dbafbdf1dba7868e4c24eb9f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:59:57.214233ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000018179/publication.txt
observed 78f98280ccc6f1a9b47248a91cba47fa...
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.