Pith Number

pith:KCZJVD4B

pith:2013:KCZJVD4BPYJI6FN4G5RVTAYUD5

not attested not anchored not stored refs pending

Deformation of singularities and additive invariants

Georges Comte

arxiv:1310.8050 v2 · 2013-10-30 · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KCZJVD4BPYJI6FN4G5RVTAYUD5}

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	2026-05-18T03:08:24.419705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50b29a8f817e128f15bc37635983141f74bd63a300c27d30ef016153bba7dba4

Aliases

arxiv: 1310.8050 · arxiv_version: 1310.8050v2 · doi: 10.48550/arxiv.1310.8050 · pith_short_12: KCZJVD4BPYJI · pith_short_16: KCZJVD4BPYJI6FN4 · pith_short_8: KCZJVD4B

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/KCZJVD4BPYJI6FN4G5RVTAYUD5 \
  | 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: 50b29a8f817e128f15bc37635983141f74bd63a300c27d30ef016153bba7dba4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7c48e7f97c0cf08bdaab88734dff265cb3632e335fd72df48e18c5748b378606",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2013-10-30T07:32:44Z",
    "title_canon_sha256": "dadaab60c5ed422bf0fca63123d0d66e66d28ca040421b4c84e5ecce3df4e4e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1310.8050",
    "kind": "arxiv",
    "version": 2
  }
}