Pith Number

pith:D2IETP5M

pith:2014:D2IETP5MPKDUZZDNIRK3VWX44A

not attested not anchored not stored refs pending

The Algorithmic Complexity of Bondage and Reinforcement Problems in bipartite graphs

Fu-Tao Hu, Moo Young Sohn

arxiv:1403.2796 v1 · 2014-03-12 · 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{D2IETP5MPKDUZZDNIRK3VWX44A}

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	2026-05-18T02:56:34.099568Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e9049bfac7a874ce46d4455badafce020c42e06c8024002ca096d7d49704c8e

Aliases

arxiv: 1403.2796 · arxiv_version: 1403.2796v1 · doi: 10.48550/arxiv.1403.2796 · pith_short_12: D2IETP5MPKDU · pith_short_16: D2IETP5MPKDUZZDN · pith_short_8: D2IETP5M

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/D2IETP5MPKDUZZDNIRK3VWX44A \
  | 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: 1e9049bfac7a874ce46d4455badafce020c42e06c8024002ca096d7d49704c8e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d196f34787fd28ae4093ebc54ce2eb2d64e278de7c94c82053f08a6fe76ce384",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-12T02:19:31Z",
    "title_canon_sha256": "9a60145d32ba0b26593a5cf960e167105439b47c4b86ba5a45c05a7a86872030"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2796",
    "kind": "arxiv",
    "version": 1
  }
}