Pith Number

pith:4FR3EGAK

pith:2011:4FR3EGAKV53NYUPLEXLHUVFNNG

not attested not anchored not stored refs pending

Approximating the Balanced Minimum Evolution Problem

Gwena\"el Joret, Samuel Fiorini

arxiv:1104.1080 v1 · 2011-04-06 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FR3EGAKV53NYUPLEXLHUVFNNG}

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	2026-05-18T04:03:43.326083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e163b2180aaf76dc51eb25d67a54ad69b4d73027e2bc7956b08913832cd676fe

Aliases

arxiv: 1104.1080 · arxiv_version: 1104.1080v1 · doi: 10.48550/arxiv.1104.1080 · pith_short_12: 4FR3EGAKV53N · pith_short_16: 4FR3EGAKV53NYUPL · pith_short_8: 4FR3EGAK

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/4FR3EGAKV53NYUPLEXLHUVFNNG \
  | 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: e163b2180aaf76dc51eb25d67a54ad69b4d73027e2bc7956b08913832cd676fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ddc403523c690e1aac495ee26e99dfc7ae46f153b99cf03d91e5402f2d2f214a",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-04-06T12:42:55Z",
    "title_canon_sha256": "ea2e6924ec878c8e29b5fb390b68738d84f5320e65b2015b50ebecf64eccecd3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.1080",
    "kind": "arxiv",
    "version": 1
  }
}