OpenTechnical

OT-2026-000006143

Publication integrity record

Vacuum cup gripper, four outlet manifold, three stage ejector, contact triggered, vented 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-2026-000006143) never changes.

Identity and time

Publication numberOT-2026-000006143 · never reused
Internal UUID01a0a950-cb95-7b2c-b68a-71377656ac43 · UUIDv7, RFC 9562
Publication timestamp2026-09-16T08:23:59.639758Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000006143
StatusPUBLIC

Content hashes

Canonical text3ad2b082b996f7eacf60e39915a15702e9b96375aaa9dc0d809a6fe438286c17
Markdown7abd0440ff58b413559338dc0907904931a7c9528f170686e89dc01d3ea4ed65
PDF
Publication page8dd624495e0309f03a54024034ca83060be9a84ef1b3fb9a784e439408d1a891
Manifest5ffa84d1cd77d2ba4eb165011bf9aab63c21c32a264cf375e6a0cc74709e894c

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
SignatureE6AlphgXuhNcKc2UZWG8ejuRMX6JfLkz4KsnUEnPt6IEK4G3wCluwnzjTlhusOqNrEm7OcgKaV0tlEGNH+IcBw==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-16T08:27:03Z
batch OT-TS-2026-W38-012 · RFC 3161 token · inclusion proof
root dbe93cb6b2158496df2f60f3b6822537...

Independent retrieval

2026-09-16T08:30:22.701951ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006143
observed 8dd624495e0309f03a54024034ca8306...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.686482ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006143/manifest.json
observed 5ffa84d1cd77d2ba4eb165011bf9aab6...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.674407ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006143/publication.md
observed 7abd0440ff58b413559338dc09079049...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-16T08:30:22.660852ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000006143/publication.txt
observed 3ad2b082b996f7eacf60e39915a15702...
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.