OpenTechnical

OT-2026-000052011

Publication integrity record

Foam pad vacuum gripper, three zone face, six outlet manifold, pump 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-2026-000052011) never changes.

Identity and time

Publication numberOT-2026-000052011 · never reused
Internal UUID01a0ae83-e78e-7806-bd16-d3a516e50d60 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:37:55.233643Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000052011
StatusPUBLIC

Content hashes

Canonical textcab3f46279c87c186f367eeac929d0733ecbc407c66315678169070a028d31d5
Markdownc12b991c82b20f936babb6c7a6b8e361c9f309deee4d9e1bc2003d04d8a750b1
PDF
Publication page44f76530452d1b6812f6a65755e72d6c605d346d71f0b6ba4eb3d00dfa4f222e
Manifest46763f33cf80ff3016f78f9df5d023433efc3a4ea9ea60ce60a5f98f06ab1ee7

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
Signatureev8wtMNx3aVY5O6IzT6Z3RGSl60RdkIAbkto3g3SlwlU5Kbd8P9MVHUKubgAA0ZDxVugqBxd8jwRA4yqMfvpCA==
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

2026-09-17T10:57:31.187115ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052011
observed 44f76530452d1b6812f6a65755e72d6c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.170516ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052011/manifest.json
observed 46763f33cf80ff3016f78f9df5d02343...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.153903ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052011/publication.md
observed c12b991c82b20f936babb6c7a6b8e361...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:57:31.135293ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000052011/publication.txt
observed cab3f46279c87c186f367eeac929d073...
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.