Pith Number

pith:EBATYGOL

pith:2014:EBATYGOLINFXRCPH3AXRVXQAVJ

not attested not anchored not stored refs pending

Acyclic Subgraphs of Planar Digraphs

David Rolnick, Noah Golowich

arxiv:1407.8045 v1 · 2014-07-30 · 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{EBATYGOLINFXRCPH3AXRVXQAVJ}

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	2026-05-18T02:46:13.723291Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20413c19cb434b7889e7d82f1ade00aa6bde88aa7369280ddb31ade003c642be

Aliases

arxiv: 1407.8045 · arxiv_version: 1407.8045v1 · doi: 10.48550/arxiv.1407.8045 · pith_short_12: EBATYGOLINFX · pith_short_16: EBATYGOLINFXRCPH · pith_short_8: EBATYGOL

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/EBATYGOLINFXRCPH3AXRVXQAVJ \
  | 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: 20413c19cb434b7889e7d82f1ade00aa6bde88aa7369280ddb31ade003c642be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "94da13595d86eda9059e6a37231d8033eb488129ffc941bd9fbf19607071c9ba",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-07-30T13:58:08Z",
    "title_canon_sha256": "c1443ad95958adc8ec952fe1eba213c5a9915aca188c5fdeb73a9a9da3da461e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8045",
    "kind": "arxiv",
    "version": 1
  }
}