Pith Number

pith:JED5UHJ4

pith:2011:JED5UHJ4NEM2PNKMETDLZ5E7TC

not attested not anchored not stored refs pending

Efficient and Universal Corruption Resilient Fountain Codes

Asaf Cohen, Nir Tzachar, Shlomi Dolev

arxiv:1111.6244 v1 · 2011-11-27 · cs.IT · cs.CR · 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{JED5UHJ4NEM2PNKMETDLZ5E7TC}

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	2026-05-18T04:07:31.432559Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4907da1d3c6919a7b54c24c6bcf49f98b0be73e8a9a5e6da59c5d1d91222be75

Aliases

arxiv: 1111.6244 · arxiv_version: 1111.6244v1 · doi: 10.48550/arxiv.1111.6244 · pith_short_12: JED5UHJ4NEM2 · pith_short_16: JED5UHJ4NEM2PNKM · pith_short_8: JED5UHJ4

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/JED5UHJ4NEM2PNKMETDLZ5E7TC \
  | 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: 4907da1d3c6919a7b54c24c6bcf49f98b0be73e8a9a5e6da59c5d1d91222be75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdc7bca2f49d2ff1742bc26534986d5d8c2157d3cf116ff30837d79f70bcb265",
    "cross_cats_sorted": [
      "cs.CR",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2011-11-27T10:19:10Z",
    "title_canon_sha256": "68b8c3cf1fdd8378e149d1c07ff975f674d8799045e659851c2288500313264e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.6244",
    "kind": "arxiv",
    "version": 1
  }
}