Pith Number

pith:WYJS6COF

pith:2015:WYJS6COF357D6R7BZYFQOCPZZD

not attested not anchored not stored refs pending

Tight Bounds for Subgraph Isomorphism and Graph Homomorphism

Alexander Golovnev, Alexander S. Kulikov, Fedor V. Fomin, Ivan Mihajlin

arxiv:1507.03738 v1 · 2015-07-14 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WYJS6COF357D6R7BZYFQOCPZZD}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T01:36:57.459142Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6132f09c5df7e3f47e1ce0b0709f9c8ed0c6a3d175add3752ec6300123171d0

Aliases

arxiv: 1507.03738 · arxiv_version: 1507.03738v1 · doi: 10.48550/arxiv.1507.03738 · pith_short_12: WYJS6COF357D · pith_short_16: WYJS6COF357D6R7B · pith_short_8: WYJS6COF

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/WYJS6COF357D6R7BZYFQOCPZZD \
  | 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: b6132f09c5df7e3f47e1ce0b0709f9c8ed0c6a3d175add3752ec6300123171d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f14c0024e1abffb19c24bce9d212687b18520d7f8791e7805adba5c460e8b79",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2015-07-14T06:51:29Z",
    "title_canon_sha256": "e705f12bc10bb8f57a8a8667065754bc3ae53584974de8fc4cd9e55064d696a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.03738",
    "kind": "arxiv",
    "version": 1
  }
}