Pith Number

pith:DHR7QVFA

pith:2014:DHR7QVFALEYHND4CGBS3JFVM7X

not attested not anchored not stored refs pending

Multiple Access Analog Fountain Codes

Branka Vucetic, Mahyar Shirvanimoghaddam, Yonghui Li

arxiv:1404.2357 v1 · 2014-04-09 · 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{DHR7QVFALEYHND4CGBS3JFVM7X}

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	2026-05-18T00:58:11.881014Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19e3f854a05930768f823065b496acfdc2b14a9f55a2c305d3684f6e8ebcc481

Aliases

arxiv: 1404.2357 · arxiv_version: 1404.2357v1 · doi: 10.48550/arxiv.1404.2357 · pith_short_12: DHR7QVFALEYH · pith_short_16: DHR7QVFALEYHND4C · pith_short_8: DHR7QVFA

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/DHR7QVFALEYHND4CGBS3JFVM7X \
  | 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: 19e3f854a05930768f823065b496acfdc2b14a9f55a2c305d3684f6e8ebcc481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "432d1e23c2ce1de711911803204a4ce75bb70f2b9fc19fb0d7729bb75bab191b",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2014-04-09T03:22:28Z",
    "title_canon_sha256": "e9a5e3cfcc48efd6beaf06ebd489c9b89e01ab63013431fea64ea2fa8fc457bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1404.2357",
    "kind": "arxiv",
    "version": 1
  }
}