Pith Number

pith:UN7UQ7H5

pith:2019:UN7UQ7H5MPIUVOGY5Q7K4XCLLF

not attested not anchored not stored refs pending

A Unified Framework for Structured Graph Learning via Spectral Constraints

Daniel Palomar, Jiaxi Ying, Jos\'e Vin\'icius de M. Cardoso, Sandeep Kumar

arxiv:1904.09792 v1 · 2019-04-22 · stat.ML · cs.LG · cs.SI · math.OC

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UN7UQ7H5MPIUVOGY5Q7K4XCLLF}

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Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Cited by

1 paper in Pith

State-Space Network Topology Identification from Partial Observations

Receipt and verification

First computed	2026-05-17T23:48:03.312497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a37f487cfd63d14ab8d8ec3eae5c4b595def1f44dfcfb5cb308c50562fd0ee0a

Aliases

arxiv: 1904.09792 · arxiv_version: 1904.09792v1 · doi: 10.48550/arxiv.1904.09792 · pith_short_12: UN7UQ7H5MPIU · pith_short_16: UN7UQ7H5MPIUVOGY · pith_short_8: UN7UQ7H5

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/UN7UQ7H5MPIUVOGY5Q7K4XCLLF \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: a37f487cfd63d14ab8d8ec3eae5c4b595def1f44dfcfb5cb308c50562fd0ee0a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24da5ffab58d60f42481ce32de9b77ae8dfb981d22db1e694e35d7a9c8464162",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.SI",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2019-04-22T10:19:58Z",
    "title_canon_sha256": "456ebb04df67d8b3484ebf5b5bad33ec641261494b404190c354eb79aa5d41bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09792",
    "kind": "arxiv",
    "version": 1
  }
}