Pith Number

pith:C3D5SPI6

pith:2013:C3D5SPI6HB45BA4NIXBUEUZNPL

not attested not anchored not stored refs pending

Connecting Terminals and 2-Disjoint Connected Subgraphs

Jan Arne Telle, Yngve Villanger

arxiv:1301.2506 v1 · 2013-01-11 · 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{C3D5SPI6HB45BA4NIXBUEUZNPL}

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	2026-05-18T03:36:37.714417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16c7d93d1e3879d0838d45c342532d7ac4cd62daee7958e838f161f41e93ba17

Aliases

arxiv: 1301.2506 · arxiv_version: 1301.2506v1 · doi: 10.48550/arxiv.1301.2506 · pith_short_12: C3D5SPI6HB45 · pith_short_16: C3D5SPI6HB45BA4N · pith_short_8: C3D5SPI6

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/C3D5SPI6HB45BA4NIXBUEUZNPL \
  | 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: 16c7d93d1e3879d0838d45c342532d7ac4cd62daee7958e838f161f41e93ba17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc55b7b523446c7dc3a9c598a99cd33fba9ae8127b4ac310008a2ad9ab3e5b1d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-11T14:27:13Z",
    "title_canon_sha256": "e4239be3f798c11a09d57077cd5b1c290bb92e84275452ffdc6e710e2810668c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2506",
    "kind": "arxiv",
    "version": 1
  }
}