Pith Number

pith:WKTHKRLD

pith:2013:WKTHKRLDO4VQMYRSSZHT75GSJ4

not attested not anchored not stored refs pending

Classification of one-dimensional superattracting germs in positive characteristic

Matteo Ruggiero

arxiv:1304.5601 v1 · 2013-04-20 · 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{WKTHKRLDO4VQMYRSSZHT75GSJ4}

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	2026-05-18T02:45:22.353921Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2a6754563772b066232964f3ff4d24f3b427005a89a1c462accab9b1dfe2f19

Aliases

arxiv: 1304.5601 · arxiv_version: 1304.5601v1 · doi: 10.48550/arxiv.1304.5601 · pith_short_12: WKTHKRLDO4VQ · pith_short_16: WKTHKRLDO4VQMYRS · pith_short_8: WKTHKRLD

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/WKTHKRLDO4VQMYRSSZHT75GSJ4 \
  | 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: b2a6754563772b066232964f3ff4d24f3b427005a89a1c462accab9b1dfe2f19

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fea44e76072169c67ebc81dfed079db83758eded964da1705b153bcfdcffc308",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2013-04-20T08:36:16Z",
    "title_canon_sha256": "39d8d5649e2d5a51d896f8694bd772416d424f68d46d76ed73b1bdc15ca1787b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5601",
    "kind": "arxiv",
    "version": 1
  }
}