Pith Number

pith:SRY4T3WM

pith:2013:SRY4T3WML7Z544KRG7CFWCZ6D3

not attested not anchored not stored refs pending

Large induced subgraphs via triangulations and CMSO

Fedor Fomin, Ioan Todinca, Yngve Villanger

arxiv:1309.1559 v1 · 2013-09-06 · 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{SRY4T3WML7Z544KRG7CFWCZ6D3}

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	2026-05-18T03:13:59.153582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9471c9eecc5ff3de715137c45b0b3e1ec0f4e71428a64e2a7addb3b82708a8fd

Aliases

arxiv: 1309.1559 · arxiv_version: 1309.1559v1 · doi: 10.48550/arxiv.1309.1559 · pith_short_12: SRY4T3WML7Z5 · pith_short_16: SRY4T3WML7Z544KR · pith_short_8: SRY4T3WM

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/SRY4T3WML7Z544KRG7CFWCZ6D3 \
  | 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: 9471c9eecc5ff3de715137c45b0b3e1ec0f4e71428a64e2a7addb3b82708a8fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9df21b4be36e0fd1789e0e736d3132931795a269c68517d49808630551316b0d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-09-06T08:02:41Z",
    "title_canon_sha256": "00488ef5742909dbf0eb97feadff6edc4dc941453d6b75d404b14b63e86056b7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1559",
    "kind": "arxiv",
    "version": 1
  }
}