OpenTechnical

OT-2026-000050440

Publication integrity record

Six bellows cup vacuum gripper, six outlet manifold, single stage ejector, supply line pressure sensor, pulsed blow-off after 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-2026-000050440) never changes.

Identity and time

Publication numberOT-2026-000050440 · never reused
Internal UUID01a0ae82-5c48-70c3-a291-45bf9739f495 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:36:14.042293Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000050440
StatusPUBLIC

Content hashes

Canonical text60ec8a8f3caef34ee43996cd2b32219e9643a20c28c6eb895d5e0d956390d952
Markdownefdd421f6339b2ccd9b1b932c88edbf938991338c68c97056720d2cf11d0f5f6
PDF
Publication paged081f5f88da1a02c19c645b947fef4f910068f55d919cf73411439ab3eca6db1
Manifestb02b356807c9d81b284196c96528bfad39304d2a43cbb2263bd64f8d941e288c

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
SignatureNRKBg9BP6O0b71n6yW6KtGTCcv3P/Eu7VOve/dxNUQ7lhxjDUhbGbkiCbVS+NkCxNon75EmPL1I/A+pux15ACg==
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

2026-09-17T11:01:29.244838ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050440
observed d081f5f88da1a02c19c645b947fef4f9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.226922ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050440/manifest.json
observed b02b356807c9d81b284196c96528bfad...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.209399ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050440/publication.md
observed efdd421f6339b2ccd9b1b932c88edbf9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:01:29.189765ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000050440/publication.txt
observed 60ec8a8f3caef34ee43996cd2b32219e...
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.