Pith Number

pith:OAAMRXN5

pith:2009:OAAMRXN5XIWBYJUPGW4UYJOTJX

not attested not anchored not stored refs pending

Continuity of mutual entropy in the large signal-to-noise ratio limit

Mark Kelbert, Yuri Suhov

arxiv:0911.1275 v3 · 2009-11-06 · cs.IT · cs.IR · math.IT · math.PR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OAAMRXN5XIWBYJUPGW4UYJOTJX}

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	2026-05-18T03:29:14.226609Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7000c8ddbdba2c1c268f35b94c25d34dea76365ba550ba563523728d708f5492

Aliases

arxiv: 0911.1275 · arxiv_version: 0911.1275v3 · doi: 10.48550/arxiv.0911.1275 · pith_short_12: OAAMRXN5XIWB · pith_short_16: OAAMRXN5XIWBYJUP · pith_short_8: OAAMRXN5

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/OAAMRXN5XIWBYJUPGW4UYJOTJX \
  | 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: 7000c8ddbdba2c1c268f35b94c25d34dea76365ba550ba563523728d708f5492

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91ed804f342f7b4323c64e822b8ecb43344dddd48fb3a1aba2751b27a01930ca",
    "cross_cats_sorted": [
      "cs.IR",
      "math.IT",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-11-06T15:20:54Z",
    "title_canon_sha256": "10b8229d859bf7b5a0edc98746be203637e2251982c1f447d1a95e24b3e1cc0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1275",
    "kind": "arxiv",
    "version": 3
  }
}