Pith Number

pith:PDW2HBYH

pith:2012:PDW2HBYHWOHMTADAYZRQYYSOY6

not attested not anchored not stored refs pending

A Mathematical model of copper corrosion

Barbara De Filippo, Fabrizio Clarelli, Roberto Natalini

arxiv:1211.6938 v1 · 2012-11-29 · math-ph · math.MP · math.NA · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PDW2HBYHWOHMTADAYZRQYYSOY6}

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	2026-05-18T03:39:42.673376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78eda38707b38ec98060c6630c624ec799f12fe7678474bb29b5b9cae1a2c582

Aliases

arxiv: 1211.6938 · arxiv_version: 1211.6938v1 · doi: 10.48550/arxiv.1211.6938 · pith_short_12: PDW2HBYHWOHM · pith_short_16: PDW2HBYHWOHMTADA · pith_short_8: PDW2HBYH

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/PDW2HBYHWOHMTADAYZRQYYSOY6 \
  | 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: 78eda38707b38ec98060c6630c624ec799f12fe7678474bb29b5b9cae1a2c582

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cd9ed9d9d6da69458158c7190a637d234822778d43b182a2987d5ed2ec0bea2f",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2012-11-29T15:01:05Z",
    "title_canon_sha256": "c0b5a8da1f86e345d32156403e5b4262afe32d49c5791d6f131b8f5200b42238"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6938",
    "kind": "arxiv",
    "version": 1
  }
}