OpenTechnical

OT-2026-000031290

Publication integrity record

Two pad foam vacuum gripper, two outlet manifold, two stage ejector, pulsed blow-off after 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-2026-000031290) never changes.

Identity and time

Publication numberOT-2026-000031290 · never reused
Internal UUID01a0ae74-87ac-7aec-86ed-2f86f1ef3d97 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:21:07.653052Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000031290
StatusPUBLIC

Content hashes

Canonical text6cf5366c544463b167f52413786faf7cab4105f734e175226c45a280599776d6
Markdown3adb4b56b7ef8e2e1111cea6f1cd3613600c57062d2cffe99260e3e734dda78f
PDF
Publication paged4dbc2070ccd2abae1bd74ff023366971624fcee13de3e0e4fcb5019da9f65fa
Manifestf64955e8e1bdea567ca794decad86f1e43f62270d5a5edead6a135162f717c8a

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
SignatureILT9vh9tFyd8wpmcLOU8hYgU1paU4GY5BZ2PbrdKfufRftXEU+NeAX41TEG1T27eCabkAtaWr5jGJPnlkxZzAg==
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

2026-09-17T11:35:52.485921ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031290
observed d4dbc2070ccd2abae1bd74ff02336697...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.467600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031290/manifest.json
observed f64955e8e1bdea567ca794decad86f1e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.449649ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031290/publication.md
observed 3adb4b56b7ef8e2e1111cea6f1cd3613...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:35:52.431600ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000031290/publication.txt
observed 6cf5366c544463b167f52413786faf7c...
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.