Pith Number

pith:5AK7E7SV

pith:2012:5AK7E7SVX2S3PP6IWSNEB6DV7Y

not attested not anchored not stored refs pending

Coded Cooperative Data Exchange in Multihop Networks

Richard D. Wesel, Thomas A. Courtade

arxiv:1203.3445 v1 · 2012-03-15 · 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{5AK7E7SVX2S3PP6IWSNEB6DV7Y}

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	2026-05-18T04:00:01.630282Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e815f27e55bea5b7bfc8b49a40f875fe081aec9ae8737a5413671d8f185d1d3d

Aliases

arxiv: 1203.3445 · arxiv_version: 1203.3445v1 · doi: 10.48550/arxiv.1203.3445 · pith_short_12: 5AK7E7SVX2S3 · pith_short_16: 5AK7E7SVX2S3PP6I · pith_short_8: 5AK7E7SV

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/5AK7E7SVX2S3PP6IWSNEB6DV7Y \
  | 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: e815f27e55bea5b7bfc8b49a40f875fe081aec9ae8737a5413671d8f185d1d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc647f70cdc707fffba80a5de4ab7bc085d3ebcabf3e93d76e10b07ad49484a2",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2012-03-15T19:11:12Z",
    "title_canon_sha256": "9654e3f5ab2dbad4097a2981b8757231e6ce3d9f2b2870ee9eaa52932b2b4eb0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.3445",
    "kind": "arxiv",
    "version": 1
  }
}