Pith Number

pith:NJELQRO7

pith:2013:NJELQRO7IXJDJSVYFG6B4PI6QL

not attested not anchored not stored refs pending

On the performance of a cavity method based algorithm for the Prize-Collecting Steiner Tree Problem on graphs

Alfredo Braunstein, Indaco Biazzo, Riccardo Zecchina

arxiv:1309.0346 v1 · 2013-09-02 · cs.DS · cond-mat.stat-mech

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NJELQRO7IXJDJSVYFG6B4PI6QL}

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

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	2026-05-18T03:14:27.509523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6a48b845df45d234cab829bc1e3d1e82cd6cd314956f73cd0842ef3d8d58ccb3

Aliases

arxiv: 1309.0346 · arxiv_version: 1309.0346v1 · doi: 10.48550/arxiv.1309.0346 · pith_short_12: NJELQRO7IXJD · pith_short_16: NJELQRO7IXJDJSVY · pith_short_8: NJELQRO7

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/NJELQRO7IXJDJSVYFG6B4PI6QL \
  | 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: 6a48b845df45d234cab829bc1e3d1e82cd6cd314956f73cd0842ef3d8d58ccb3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17795a6dd99776354b8949101ad26c37ca89c691d8a7067d014fd6114708843f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-09-02T10:05:17Z",
    "title_canon_sha256": "89ea4d240fad2b521a90553eb5ac583b2d5153f541de4a9b9e99b2a84d5d65c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.0346",
    "kind": "arxiv",
    "version": 1
  }
}