Pith Number

pith:I37GYVVK

pith:2014:I37GYVVKGDRE2NXXOA45X6HPBG

not attested not anchored not stored refs pending

Scaling Algorithms for Weighted Matching in General Graphs

Hsin-Hao Su, Ran Duan, Seth Pettie

arxiv:1411.1919 v6 · 2014-11-07 · 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{I37GYVVKGDRE2NXXOA45X6HPBG}

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	2026-05-18T00:33:32.933988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46fe6c56aa30e24d36f77039dbf8ef099785e53e6bbe1c3aab85aae8120ddd17

Aliases

arxiv: 1411.1919 · arxiv_version: 1411.1919v6 · doi: 10.48550/arxiv.1411.1919 · pith_short_12: I37GYVVKGDRE · pith_short_16: I37GYVVKGDRE2NXX · pith_short_8: I37GYVVK

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/I37GYVVKGDRE2NXXOA45X6HPBG \
  | 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: 46fe6c56aa30e24d36f77039dbf8ef099785e53e6bbe1c3aab85aae8120ddd17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4817cc5f5dbddbf6d1ef001efcacc1ed222d1aecfaef821497208210d6562997",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-11-07T14:11:06Z",
    "title_canon_sha256": "c5e12b4360c9c488e1f23ee009755c6f6f9eeeaa88db88edfbf9f8f8be6e0cb1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1919",
    "kind": "arxiv",
    "version": 6
  }
}