Pith Number

pith:5EQQA2G4

pith:2016:5EQQA2G4TYJFOPROQREIAD6DV3

not attested not anchored not stored refs pending

The $p$-Center Problem in Tree Networks Revisited

Aritra Banik, Binay Bhattacharya, Sandip Das, Tsunehiko Kameda, Zhao Song

arxiv:1604.07535 v1 · 2016-04-26 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5EQQA2G4TYJFOPROQREIAD6DV3}

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	2026-05-18T01:16:19.563251Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e9210068dc9e12573e2e8448800fc3aed64800648f6e10dcc64ac3d8aa72e8fd

Aliases

arxiv: 1604.07535 · arxiv_version: 1604.07535v1 · doi: 10.48550/arxiv.1604.07535 · pith_short_12: 5EQQA2G4TYJF · pith_short_16: 5EQQA2G4TYJFOPRO · pith_short_8: 5EQQA2G4

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/5EQQA2G4TYJFOPROQREIAD6DV3 \
  | 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: e9210068dc9e12573e2e8448800fc3aed64800648f6e10dcc64ac3d8aa72e8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4a5cd6006386de5c9e5402c1ec191258e4325ad0f26ecaa40a81930dc1eacff2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2016-04-26T06:07:30Z",
    "title_canon_sha256": "6aac0707dcc54f73f80216ebe91a0d4c06251529f8c039da132dc8e25620be43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1604.07535",
    "kind": "arxiv",
    "version": 1
  }
}