Pith Number

pith:P2TJAVNJ

pith:2014:P2TJAVNJF7UJHD6WF67U2IWTEJ

not attested not anchored not stored refs pending

Extension of germs of holomorphic foliations

Gabriel Calsamiglia, Paulo Sad

arxiv:1407.8111 v1 · 2014-07-30 · 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{P2TJAVNJF7UJHD6WF67U2IWTEJ}

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	2026-05-18T02:46:13.579386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ea69055a92fe8938fd62fbf4d22d322489a8ff98f7281100dbfacfa28f8188b

Aliases

arxiv: 1407.8111 · arxiv_version: 1407.8111v1 · doi: 10.48550/arxiv.1407.8111 · pith_short_12: P2TJAVNJF7UJ · pith_short_16: P2TJAVNJF7UJHD6W · pith_short_8: P2TJAVNJ

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/P2TJAVNJF7UJHD6WF67U2IWTEJ \
  | 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: 7ea69055a92fe8938fd62fbf4d22d322489a8ff98f7281100dbfacfa28f8188b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b5a7dc790244bf5f72e8aa5c351de87ea7f3e4877a11fd379ccf4789fe1fee8",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-07-30T16:06:27Z",
    "title_canon_sha256": "8ea5f4e03dc662b0f984a8d60e7ed9578538e3b8da6a681ff52f152b30eac3e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.8111",
    "kind": "arxiv",
    "version": 1
  }
}