Pith Number

pith:BMF626XD

pith:2018:BMF626XD5XGCIRIB3BXFVTVMZZ

not attested not anchored not stored refs pending

Identification of Sparse Reciprocal Graphical Models

Augusto Ferrante, Daniele Alpago, Mattia Zorzi

arxiv:1806.04423 v1 · 2018-06-12 · 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{BMF626XD5XGCIRIB3BXFVTVMZZ}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

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.

Receipt and verification

First computed	2026-05-18T00:13:35.558403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0b0bed7ae3edcc244501d86e5aceacce774985697c1da02fc2aa43d1f85dd31f

Aliases

arxiv: 1806.04423 · arxiv_version: 1806.04423v1 · doi: 10.48550/arxiv.1806.04423 · pith_short_12: BMF626XD5XGC · pith_short_16: BMF626XD5XGCIRIB · pith_short_8: BMF626XD

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/BMF626XD5XGCIRIB3BXFVTVMZZ \
  | 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: 0b0bed7ae3edcc244501d86e5aceacce774985697c1da02fc2aa43d1f85dd31f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33c085ac14ee47193deb64094899f1f9dde15098bcbf7c1129c324af39af3ac5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-06-12T10:01:16Z",
    "title_canon_sha256": "2e2c481c8651ada30054eaec49d5dc84f4fad86af46526be6633b88f6143bdca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04423",
    "kind": "arxiv",
    "version": 1
  }
}