OpenTechnical

OT-2026-000052841

Publication integrity record

Two cup vacuum gripper, two outlet manifold, common isolation valve, single stage ejector, vented 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-2026-000052841) never changes.

Identity and time

Publication numberOT-2026-000052841 · never reused
Internal UUID01a0ae84-a42e-7274-907c-8e15f4e0d831 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:38:43.524202Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052841
StatusPUBLIC

Content hashes

Canonical textcb7a29a8b55ad531c2e70e0f96d495db3a371c987d0145d31d1c22e6fa1a802e
Markdowna9d942ee6d6fbe0d01b2ee1b7cb105177ae7ded197dffa8620b3742806386863
PDF
Publication page8caa194348e0a43e4a6c7d0a7e539c8e655d393052c981f0b33655251d577b10
Manifest1812aa005c2edcb6c07469e29cebbbd03a02511357a0dcb6eb5d63a20ca42b85

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
SignatureLjCKhH6XtISWB18vcMYtFlMjF+CrcARtpPB9e4NJcJfyqP47KfMLFoHR/Xk00wcp9Yj5I9e7SdH0UL10fxpUDA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:47:04Z
batch OT-TS-2026-W38-021 · RFC 3161 token · inclusion proof
root 954df3475fbcfbe27467725cfb2ec919...
timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T10:55:52.359224ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052841
observed 8caa194348e0a43e4a6c7d0a7e539c8e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.342019ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052841/manifest.json
observed 1812aa005c2edcb6c07469e29cebbbd0...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.323923ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052841/publication.md
observed a9d942ee6d6fbe0d01b2ee1b7cb10517...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:55:52.302067ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052841/publication.txt
observed cb7a29a8b55ad531c2e70e0f96d495db...
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.