Pith Number

pith:4PD6UZ73

pith:2010:4PD6UZ73VAR7BSOYL4XCVMUZWR

not attested not anchored not stored refs pending

An Efficient Retransmission Based on Network Coding with Unicast Flows

Liang Zhou, Xing Wang, Yuanquan Tan, Zhiheng Zhou

arxiv:1009.0921 v2 · 2010-09-05 · 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{4PD6UZ73VAR7BSOYL4XCVMUZWR}

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	2026-05-18T04:40:55.746393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3c7ea67fba823f0c9d85f2e2ab299b4761087b90f763a8476082823be6fae70

Aliases

arxiv: 1009.0921 · arxiv_version: 1009.0921v2 · doi: 10.48550/arxiv.1009.0921 · pith_short_12: 4PD6UZ73VAR7 · pith_short_16: 4PD6UZ73VAR7BSOY · pith_short_8: 4PD6UZ73

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/4PD6UZ73VAR7BSOYL4XCVMUZWR \
  | 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: e3c7ea67fba823f0c9d85f2e2ab299b4761087b90f763a8476082823be6fae70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a69872387fc005ae8e37ff886397efbc2a135acd7c9b724c53de9fa7eaed60cc",
    "cross_cats_sorted": [
      "cs.NI",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2010-09-05T14:19:12Z",
    "title_canon_sha256": "cbc05811aa73d82f1ff0897cbeb51de2d05280b3acd89b9c2de28010373f92db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.0921",
    "kind": "arxiv",
    "version": 2
  }
}