Pith Number

pith:WAGSM6Y3

pith:2015:WAGSM6Y3SM2IDWQNHOOTK4OXOV

not attested not anchored not stored refs pending

On The Weight Distribution of Fixed-Rate Raptor Codes

Enrico Paolini, Francisco L\'azaro, Gerhard Bauch, Gianluigi Liva

arxiv:1502.01567 v2 · 2015-02-05 · 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{WAGSM6Y3SM2IDWQNHOOTK4OXOV}

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	2026-05-18T02:18:15.268847Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b00d267b1b933481da0d3b9d3571d775464db0e715252333442376fb6b16a7e8

Aliases

arxiv: 1502.01567 · arxiv_version: 1502.01567v2 · doi: 10.48550/arxiv.1502.01567 · pith_short_12: WAGSM6Y3SM2I · pith_short_16: WAGSM6Y3SM2IDWQN · pith_short_8: WAGSM6Y3

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/WAGSM6Y3SM2IDWQNHOOTK4OXOV \
  | 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: b00d267b1b933481da0d3b9d3571d775464db0e715252333442376fb6b16a7e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f3012e8a2ef3c641e9c1f3e26198a10991429a3f25591bcb5c227a12f9154cc",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-02-05T14:34:15Z",
    "title_canon_sha256": "ce80c109ae3e8482a0b5a451fd88fd6610bf4e4e949b756c327414321a95885c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.01567",
    "kind": "arxiv",
    "version": 2
  }
}