OpenTechnical

OT-2026-000047343

Publication integrity record

Foam pad vacuum gripper, four zone face, per zone isolation, plant vacuum fed, pressure sensor per zone, 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-2026-000047343) never changes.

Identity and time

Publication numberOT-2026-000047343 · never reused
Internal UUID01a0ae7f-3e57-7296-b172-c91e2a4567fe · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:32:49.774666Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000047343
StatusPUBLIC

Content hashes

Canonical text025c8410783b9512f14d15353abf0a73bbb4f2644c2fb49a28e2cae96fde7fb1
Markdown4ff145c480dde3a5517064a1edf362e212058aa5919fae19bdd4c28a8b1f6a66
PDF
Publication page834311113fa586724316438f85934cc214d56b7883e5ea1b1143e723c8322454
Manifestf69dd64d6fad0e3eaa381e21184eda04027e5d3d51a726df05396604f094d908

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
SignatureVjBx/3DAHSv5KA+6Cg3bt34DUBOJNALqhyzqevGwSJg+aVTRrvdp1MeF21v0vF9G0sL1q67ZHJyHpA5z1GXKAQ==
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

2026-09-17T11:06:20.151588ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047343
observed 834311113fa586724316438f85934cc2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.133597ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047343/manifest.json
observed f69dd64d6fad0e3eaa381e21184eda04...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.112809ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047343/publication.md
observed 4ff145c480dde3a5517064a1edf362e2...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:06:20.095919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000047343/publication.txt
observed 025c8410783b9512f14d15353abf0a73...
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.