Pith Number

pith:MTYOB2BA

pith:2003:MTYOB2BATRWS76XZGLCWCT5G3P

not attested not anchored not stored refs pending

Maximum Skew-Symmetric Flows and Matchings

Alexander V. Karzanov, Andrew V. Goldberg

arxiv:math/0304290 v2 · 2003-04-21 · 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{MTYOB2BATRWS76XZGLCWCT5G3P}

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	2026-05-18T04:35:57.876128Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64f0e0e8209c6d2ffaf932c5614fa6dbe0fbedeecca77c8fd6b3678acb98e49c

Aliases

arxiv: math/0304290 · arxiv_version: math/0304290v2 · doi: 10.48550/arxiv.math/0304290 · pith_short_12: MTYOB2BATRWS · pith_short_16: MTYOB2BATRWS76XZ · pith_short_8: MTYOB2BA

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/MTYOB2BATRWS76XZGLCWCT5G3P \
  | 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: 64f0e0e8209c6d2ffaf932c5614fa6dbe0fbedeecca77c8fd6b3678acb98e49c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ec32b9797bf1dfa1fdd544c8b2097d4898cc6acdafa99a7a49991619c30ca28",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "2003-04-21T13:03:24Z",
    "title_canon_sha256": "2376dec366f233146f69850e921108a3eb6880488e50bbfa6cfa6e55cf7d1bac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0304290",
    "kind": "arxiv",
    "version": 2
  }
}