Pith Number

pith:5BQY6Z6P

pith:2012:5BQY6Z6PMKFHXL4Q3WTEYTE5VM

not attested not anchored not stored refs pending

Efficient Algorithms for Solving Hypergraphic Steiner Tree Relaxations in Quasi-Bipartite Instances

Isaac Fung, Jochen Koenemann, Konstantinos Georgiou, Malcolm Sharpe

arxiv:1202.5049 v1 · 2012-02-22 · cs.DM · 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{5BQY6Z6PMKFHXL4Q3WTEYTE5VM}

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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	2026-05-18T04:01:39.083215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8618f67cf628a7baf90dda64c4c9dab3109d9dcccd81b865c05acc1cb4b2ce3

Aliases

arxiv: 1202.5049 · arxiv_version: 1202.5049v1 · doi: 10.48550/arxiv.1202.5049 · pith_short_12: 5BQY6Z6PMKFH · pith_short_16: 5BQY6Z6PMKFHXL4Q · pith_short_8: 5BQY6Z6P

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/5BQY6Z6PMKFHXL4Q3WTEYTE5VM \
  | 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: e8618f67cf628a7baf90dda64c4c9dab3109d9dcccd81b865c05acc1cb4b2ce3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dabcdb2963483f882130de2b7ea6de4886c7b7435ad0fad0e34d8967388b0629",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DM",
    "submitted_at": "2012-02-22T21:19:30Z",
    "title_canon_sha256": "58389cd49e7ec92f4c6d5b30b880fd0904371d14c335bc5d6ab4849cea02b454"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.5049",
    "kind": "arxiv",
    "version": 1
  }
}