Pith Number

pith:JD4FPGXG

pith:2008:JD4FPGXGEEF5A5UT727AF45TJL

not attested not anchored not stored refs pending

Hash Property and Fixed-rate Universal Coding Theorems

Jun Muramatsu, Shigeki Miyake

arxiv:0804.1183 v1 · 2008-04-08 · 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{JD4FPGXGEEF5A5UT727AF45TJL}

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	2026-05-18T03:55:22.315100Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48f8579ae6210bd07693febe02f3b34adb609f17061ce4c91307eeea60e72aef

Aliases

arxiv: 0804.1183 · arxiv_version: 0804.1183v1 · doi: 10.48550/arxiv.0804.1183 · pith_short_12: JD4FPGXGEEF5 · pith_short_16: JD4FPGXGEEF5A5UT · pith_short_8: JD4FPGXG

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/JD4FPGXGEEF5A5UT727AF45TJL \
  | 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: 48f8579ae6210bd07693febe02f3b34adb609f17061ce4c91307eeea60e72aef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1a5598ce08192b5e1cef6d74ffb2e1b718df1bfe700936aee0604fe82ed69637",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2008-04-08T05:11:01Z",
    "title_canon_sha256": "2fd45e591e39f724d3e523f9ef038aea5d3a61a2aff7e9c06f62d17b634a27a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.1183",
    "kind": "arxiv",
    "version": 1
  }
}