OpenTechnical

OT-2026-000042311

Publication integrity record

Three bellows cup vacuum gripper, three zone face, three outlet manifold, plant vacuum fed, manifold pressure sensor, pulsed blow-off before set-down, on a tool changer

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-2026-000042311) never changes.

Identity and time

Publication numberOT-2026-000042311 · never reused
Internal UUID01a0ae7a-5d74-7200-83b1-2cbf903762bb · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:27:30.052779Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000042311
StatusPUBLIC

Content hashes

Canonical textdd759470f2f51b0af76ff9f5252152cac073ec9c8f0ddf9438b898c64a673df6
Markdownd796a7f2e7329315148d55f77ad4034cd633eddc5561a44cdfc5df3e391223f3
PDF
Publication pagec3ee00fd14b4d97b2b508182cfd0925efcf5ff3845adf1720ed342d94ea02dd4
Manifest206b490ca5f9d7a628d29e96ccf388d3a58d0192c8053174631d28b7e45bcf75

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
SignatureAxfpc9UcJ1CCfwgEV/ZrfdFQfRmPkYeJZ2SxMRpXeOjXSEJ+JNd9IQgB8Rc1FBpHYcvlmE+9TuvMFfCf9OwbCQ==
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

2026-09-17T11:16:00.747727ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042311
observed c3ee00fd14b4d97b2b508182cfd0925e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.728910ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042311/manifest.json
observed 206b490ca5f9d7a628d29e96ccf388d3...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.710317ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042311/publication.md
observed d796a7f2e7329315148d55f77ad4034c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:16:00.692322ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000042311/publication.txt
observed dd759470f2f51b0af76ff9f5252152ca...
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.