Pith Number

pith:AKKU2HIV

pith:2018:AKKU2HIVEUFXX4UV3YJZ4G25SF

not attested not anchored not stored refs pending

A mathematical and experimental study on iron rings formation in porous stones

Filippo Notarnicola, Gabriella Bretti, Giovanni Visco, Luigi Campanella, Maria Pia Sammartino, Maurizio Ceseri, Rita Reale, Roberto Natalini

arxiv:1810.11825 v1 · 2018-10-28 · cond-mat.soft · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKKU2HIVEUFXX4UV3YJZ4G25SF}

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	2026-05-18T00:02:07.292968Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

02954d1d15250b7bf295de139e1b5d917954279358344013dbfff02c84873732

Aliases

arxiv: 1810.11825 · arxiv_version: 1810.11825v1 · doi: 10.48550/arxiv.1810.11825 · pith_short_12: AKKU2HIVEUFX · pith_short_16: AKKU2HIVEUFXX4UV · pith_short_8: AKKU2HIV

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/AKKU2HIVEUFXX4UV3YJZ4G25SF \
  | 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: 02954d1d15250b7bf295de139e1b5d917954279358344013dbfff02c84873732

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d1cce4d4fd5ce7e2c13b023ad877a10f96cf25a098cc9eb527723c4e78ef88f",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cond-mat.soft",
    "submitted_at": "2018-10-28T15:38:16Z",
    "title_canon_sha256": "0446da257b800cd5c1b2864871bc43202823b7f6d15b86ea03a291b4955d680a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11825",
    "kind": "arxiv",
    "version": 1
  }
}