Pith Number

pith:I73KL75Q

pith:2014:I73KL75QV5F6SW2RPOYUTJGYUD

not attested not anchored not stored refs pending

Homotopy equivalence for proper holomorphic mappings

Jiri Lebl, John P. D'Angelo

arxiv:1408.1104 v2 · 2014-08-05 · math.CV

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{I73KL75QV5F6SW2RPOYUTJGYUD}

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	2026-05-18T01:31:46.534402Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47f6a5ffb0af4be95b517bb149a4d8a0d7b7c2f358bf73b5bbe7aa919c4a3f41

Aliases

arxiv: 1408.1104 · arxiv_version: 1408.1104v2 · doi: 10.48550/arxiv.1408.1104 · pith_short_12: I73KL75QV5F6 · pith_short_16: I73KL75QV5F6SW2R · pith_short_8: I73KL75Q

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/I73KL75QV5F6SW2RPOYUTJGYUD \
  | 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: 47f6a5ffb0af4be95b517bb149a4d8a0d7b7c2f358bf73b5bbe7aa919c4a3f41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f7a1db0204baaf76954a3f75b5cca003d79ae88c94d1f8c620e14f69d7e198a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2014-08-05T20:08:27Z",
    "title_canon_sha256": "581e7b28667de724681cc1a39b8163060cac154e878e591eefc5e972ead5d3c6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.1104",
    "kind": "arxiv",
    "version": 2
  }
}