Pith Number

pith:S52265HQ

pith:2013:S52265HQGVISTPJU2TTIQNXCRX

not attested not anchored not stored refs pending

The Likelihood Encoder for Source Coding

Eva C. Song, Paul Cuff

arxiv:1307.8327 v1 · 2013-07-31 · 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{S52265HQGVISTPJU2TTIQNXCRX}

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	2026-05-18T03:17:01.557929Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9775af74f0355129bd34d4e68836e28dd0fda329c7dbc57f8ccde4304db28c46

Aliases

arxiv: 1307.8327 · arxiv_version: 1307.8327v1 · doi: 10.48550/arxiv.1307.8327 · pith_short_12: S52265HQGVIS · pith_short_16: S52265HQGVISTPJU · pith_short_8: S52265HQ

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/S52265HQGVISTPJU2TTIQNXCRX \
  | 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: 9775af74f0355129bd34d4e68836e28dd0fda329c7dbc57f8ccde4304db28c46

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8a4d76b38127789c5228de0cc82928b0b7ba82af49257035f9b5348bb0734d43",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-07-31T14:13:55Z",
    "title_canon_sha256": "209cc687bb717dd9fb000e9e5228c77580def2448da67750db75ccbab2d202ff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.8327",
    "kind": "arxiv",
    "version": 1
  }
}