OpenTechnical

OT-2026-000047774

Publication integrity record

Three pad foam vacuum gripper, three outlet manifold, plant vacuum fed, manifold pressure sensor, sustained 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-2026-000047774) never changes.

Identity and time

Publication numberOT-2026-000047774 · never reused
Internal UUID01a0ae7f-c420-747e-918c-35f8a6e50906 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:33:24.028554Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047774
StatusPUBLIC

Content hashes

Canonical textd31c026e5e81ce94bf157173752cc871ad4f942e02f06de8db8b52f8e15bed82
Markdown3cf362efc6163cdd76f59d267801c2b99a39800f0f41c602965dc99931975d78
PDF
Publication pageb0b4a99cf3da140f768ee038801c92dafc623b556ea18d85507b5cb83d2cef5b
Manifest4fe8ebf8a48025fed59a2741a33f909dd37c80e13d61e83caa10c0e550370982

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
SignaturefH+1EKfZTNHdfESEhGUf0EI/RT6X2Mx94GuNLzk3yjwVPXlIXxZ9u7fUrCVXG9s2v+BeRZFR5XrSGYgPxuHTCg==
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

2026-09-17T11:05:40.038107ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047774
observed b0b4a99cf3da140f768ee038801c92da...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.019637ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047774/manifest.json
observed 4fe8ebf8a48025fed59a2741a33f909d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:40.000725ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047774/publication.md
observed 3cf362efc6163cdd76f59d267801c2b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:05:39.981408ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047774/publication.txt
observed d31c026e5e81ce94bf157173752cc871...
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.