Pith Number

pith:EKESYTWU

pith:2005:EKESYTWUPSKUZK3SEEDFJXTKSF

not attested not anchored not stored refs pending

Minimum-Cost Multicast over Coded Packet Networks

David R. Karger, Desmond S. Lun, Ebad Ahmed, Fang Zhao, Muriel Medard, Niranjan Ratnakar, Ralf Koetter, Tracey Ho

arxiv:cs/0503064 v2 · 2005-03-24 · cs.IT · cs.NI · math.IT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EKESYTWUPSKUZK3SEEDFJXTKSF}

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	2026-07-04T15:03:00.026624Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

22892c4ed47c954cab72210654de6a91418cd609472df1d1c427998d848626dc

Aliases

arxiv: cs/0503064 · arxiv_version: cs/0503064v2 · doi: 10.48550/arxiv.cs/0503064 · pith_short_12: EKESYTWUPSKU · pith_short_16: EKESYTWUPSKUZK3S · pith_short_8: EKESYTWU

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/EKESYTWUPSKUZK3SEEDFJXTKSF \
  | 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: 22892c4ed47c954cab72210654de6a91418cd609472df1d1c427998d848626dc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2c921153543dc11d9a6d366ee0c8a8e2f0c52485242ef6c63145d2007f3cf621",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "",
    "primary_cat": "cs.IT",
    "submitted_at": "2005-03-24T05:02:19Z",
    "title_canon_sha256": "f8fe644f729f3a17d1102f5ba454ef87f35d60884b510b86513178124cd7e885"
  },
  "schema_version": "1.0",
  "source": {
    "id": "cs/0503064",
    "kind": "arxiv",
    "version": 2
  }
}