Pith Number

pith:CZQLVTYU

pith:2009:CZQLVTYU4PQIKZFX2E6RTTWVR6

not attested not anchored not stored refs pending

A statistical mechanical interpretation of instantaneous codes

Kohtaro Tadaki

arxiv:0901.1708 v1 · 2009-01-13 · 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{CZQLVTYU4PQIKZFX2E6RTTWVR6}

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	2026-05-18T00:59:11.527618Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1660bacf14e3e08564b7d13d19ced58f821a72dfc740c6c3fa05b7a5a0cc3bb2

Aliases

arxiv: 0901.1708 · arxiv_version: 0901.1708v1 · doi: 10.48550/arxiv.0901.1708 · pith_short_12: CZQLVTYU4PQI · pith_short_16: CZQLVTYU4PQIKZFX · pith_short_8: CZQLVTYU

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/CZQLVTYU4PQIKZFX2E6RTTWVR6 \
  | 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: 1660bacf14e3e08564b7d13d19ced58f821a72dfc740c6c3fa05b7a5a0cc3bb2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "07f612c7db506a35cff89ac622a1a92cc1196e3c122c8fa586b948535966d8df",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2009-01-13T04:49:14Z",
    "title_canon_sha256": "149960c5f4981417e8dae489b6bbe5678c83c5ea36d1fbfbcf095a76184fd1a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.1708",
    "kind": "arxiv",
    "version": 1
  }
}