Pith Number

pith:WU5HZH2V

pith:2019:WU5HZH2VW4JLNFBLN5I4I6VAZO

not attested not anchored not stored refs pending

Ratio-Balanced Maximum Flows

Hannaneh Akrami, Kurt Mehlhorn, Tommy Odland

arxiv:1902.11047 v1 · 2019-02-28 · 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{WU5HZH2VW4JLNFBLN5I4I6VAZO}

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	2026-05-17T23:52:25.935270Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b53a7c9f55b712b6942b6f51c47aa0cb850b23f1cb774bee532e07f53bc1b7a1

Aliases

arxiv: 1902.11047 · arxiv_version: 1902.11047v1 · doi: 10.48550/arxiv.1902.11047 · pith_short_12: WU5HZH2VW4JL · pith_short_16: WU5HZH2VW4JLNFBL · pith_short_8: WU5HZH2V

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/WU5HZH2VW4JLNFBLN5I4I6VAZO \
  | 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: b53a7c9f55b712b6942b6f51c47aa0cb850b23f1cb774bee532e07f53bc1b7a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b40cb3a2da746c5bad4a04f886c010e339525338a8c4b6e2ce4682109e7dc96",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-02-28T12:30:32Z",
    "title_canon_sha256": "06a791d917007f5591cca37374408a18ab001e8e38f6c1a75ce0fe5426916c16"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.11047",
    "kind": "arxiv",
    "version": 1
  }
}