Pith Number

pith:UO4CAFBI

pith:2010:UO4CAFBI5CWIM7GY6HPCALUMLM

not attested not anchored not stored refs pending

Using entropy measures for comparison of software traces

A. V. Miranskyy, M. Davison, M. Reesor, S. S. Murtaza

arxiv:1010.5537 v2 · 2010-10-26 · cs.SE · 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{UO4CAFBI5CWIM7GY6HPCALUMLM}

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	2026-05-18T03:55:56.278143Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3b8201428e8ac867cd8f1de202e8c5b1f3559f2f897dec09f2df2e231a9f396

Aliases

arxiv: 1010.5537 · arxiv_version: 1010.5537v2 · doi: 10.48550/arxiv.1010.5537 · pith_short_12: UO4CAFBI5CWI · pith_short_16: UO4CAFBI5CWIM7GY · pith_short_8: UO4CAFBI

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/UO4CAFBI5CWIM7GY6HPCALUMLM \
  | 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: a3b8201428e8ac867cd8f1de202e8c5b1f3559f2f897dec09f2df2e231a9f396

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b50f582066179cdde7d88ce17db6ec0fb53e6f14fb8c8cd54f0eb4f60e784e1",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2010-10-26T23:24:02Z",
    "title_canon_sha256": "a6ac50b4264bee53a2b4ff91f9e74ee415060a81a54eab5cc7605a08e7cd04b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.5537",
    "kind": "arxiv",
    "version": 2
  }
}