Pith Number

pith:ZDWZNWUX

pith:2015:ZDWZNWUXBYDOZ3AJFFIY56A2R6

not attested not anchored not stored refs pending

A tight relation between series-parallel graphs and Bipartite Distance Hereditary graphs

Jean-Fran\c{c}ois Mascari, Massimiliano Caramia, Nicola Apollonio, Paolo Giulio Franciosa

arxiv:1511.03100 v1 · 2015-11-10 · cs.DM · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZDWZNWUXBYDOZ3AJFFIY56A2R6}

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	2026-05-18T01:27:17.006291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8ed96da970e06ecec0929518ef81a8f92757886a554202968a4d18fb5af81bd

Aliases

arxiv: 1511.03100 · arxiv_version: 1511.03100v1 · doi: 10.48550/arxiv.1511.03100 · pith_short_12: ZDWZNWUXBYDO · pith_short_16: ZDWZNWUXBYDOZ3AJ · pith_short_8: ZDWZNWUX

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/ZDWZNWUXBYDOZ3AJFFIY56A2R6 \
  | 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: c8ed96da970e06ecec0929518ef81a8f92757886a554202968a4d18fb5af81bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cc5f2fd4b95cd653032dee7ab8402ed6dc5453798b9ab5697bafeeb2bbaa9259",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2015-11-10T13:21:19Z",
    "title_canon_sha256": "896885407ebcdac8048f233d518a8da9d42af10a028fcf137ee0d30e4b306c6e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.03100",
    "kind": "arxiv",
    "version": 1
  }
}