Pith Number

pith:NYXPMR72

pith:2012:NYXPMR72UROXQ6ILE37VFK4K4U

not attested not anchored not stored refs pending

Coded Cooperative Data Exchange Problem for General Topologies

Michael Langberg, Mira Gonen

arxiv:1202.2088 v1 · 2012-02-09 · cs.IT · 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{NYXPMR72UROXQ6ILE37VFK4K4U}

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	2026-05-18T04:02:38.277204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e2ef647faa45d78790b26ff52ab8ae527ab5dd61f7cc658b4c7da85e6ec3ca0

Aliases

arxiv: 1202.2088 · arxiv_version: 1202.2088v1 · doi: 10.48550/arxiv.1202.2088 · pith_short_12: NYXPMR72UROX · pith_short_16: NYXPMR72UROXQ6IL · pith_short_8: NYXPMR72

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/NYXPMR72UROXQ6ILE37VFK4K4U \
  | 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: 6e2ef647faa45d78790b26ff52ab8ae527ab5dd61f7cc658b4c7da85e6ec3ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7beaa723999b6e45b083b6d59127fd39e878461d263334e3a5ed05104e56c92e",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-02-09T19:42:26Z",
    "title_canon_sha256": "b52a0553a608de3cf710596f6a61cac872d76be49d43423a41d3e212b7b1ac05"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.2088",
    "kind": "arxiv",
    "version": 1
  }
}