Pith Number

pith:6VMNGC6G

pith:2011:6VMNGC6GP63XNFSDBHFAGSDEEN

not attested not anchored not stored refs pending

Minimum Covering with Travel Cost

Christiane Schmidt, Joseph S. B. Mitchell, Sandor P. Fekete

arxiv:1101.2360 v1 · 2011-01-12 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VMNGC6GP63XNFSDBHFAGSDEEN}

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	2026-05-18T02:22:58.254296Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f558d30bc67fb776964309ca034864237e1465db455e424badc254750bb596c6

Aliases

arxiv: 1101.2360 · arxiv_version: 1101.2360v1 · doi: 10.48550/arxiv.1101.2360 · pith_short_12: 6VMNGC6GP63X · pith_short_16: 6VMNGC6GP63XNFSD · pith_short_8: 6VMNGC6G

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/6VMNGC6GP63XNFSDBHFAGSDEEN \
  | 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: f558d30bc67fb776964309ca034864237e1465db455e424badc254750bb596c6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e64dca002a36a2e904168da65dc77121060dc4e0afca559b80b38b8ca8809add",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2011-01-12T13:50:10Z",
    "title_canon_sha256": "135e400ccb6c77753fe0de541cc8d0cf72d00c0cd96644a5f2e51d35d674c3ef"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.2360",
    "kind": "arxiv",
    "version": 1
  }
}