Pith Number

pith:IPOBFTZY

pith:2012:IPOBFTZYLI4Y4U4GB3GTZMQ6RD

not attested not anchored not stored refs pending

Boundary behavior of infinitesimal generators in the unit ball

David Shoikhet, Filippo Bracci

arxiv:1203.1839 v2 · 2012-03-08 · math.CV · 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{IPOBFTZYLI4Y4U4GB3GTZMQ6RD}

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	2026-05-18T03:45:00.615082Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43dc12cf385a398e53860ecd3cb21e88e2360df07e83c883397c8ee6b0074ef8

Aliases

arxiv: 1203.1839 · arxiv_version: 1203.1839v2 · doi: 10.48550/arxiv.1203.1839 · pith_short_12: IPOBFTZYLI4Y · pith_short_16: IPOBFTZYLI4Y4U4G · pith_short_8: IPOBFTZY

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/IPOBFTZYLI4Y4U4GB3GTZMQ6RD \
  | 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: 43dc12cf385a398e53860ecd3cb21e88e2360df07e83c883397c8ee6b0074ef8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4ee4f48241cf3da63ea84750b1fa40b3838e0e013c50114635ae61413264d00",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-03-08T16:19:20Z",
    "title_canon_sha256": "6224250d03a1172aed12f735e8de34d5ce4210ca9f2094ca526229ab11e97d89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.1839",
    "kind": "arxiv",
    "version": 2
  }
}