Pith Number

pith:GM5EY4DM

pith:2013:GM5EY4DMQ2C6AXUNUXVWJVSVWZ

not attested not anchored not stored refs pending

Approximating Semi-Matchings in Streaming and in Two-Party Communication

Adi Ros\'en, Christian Konrad

arxiv:1304.6906 v1 · 2013-04-25 · 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{GM5EY4DMQ2C6AXUNUXVWJVSVWZ}

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	2026-05-18T03:27:10.820913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

333a4c706c8685e05e8da5eb64d655b64cdabd1c24e36454ea3bc306b60bfaf5

Aliases

arxiv: 1304.6906 · arxiv_version: 1304.6906v1 · doi: 10.48550/arxiv.1304.6906 · pith_short_12: GM5EY4DMQ2C6 · pith_short_16: GM5EY4DMQ2C6AXUN · pith_short_8: GM5EY4DM

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/GM5EY4DMQ2C6AXUNUXVWJVSVWZ \
  | 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: 333a4c706c8685e05e8da5eb64d655b64cdabd1c24e36454ea3bc306b60bfaf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bedb7a3f2aad7a3d91e6cefe98a00f3c9207e38dedc938d10e7722739e91dd6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-04-25T13:34:46Z",
    "title_canon_sha256": "4a9f22f2a9479898dfa3e2b2a442dc64ddd041b5e2ba0e09e25a4913d809aa52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.6906",
    "kind": "arxiv",
    "version": 1
  }
}