Pith Number

pith:FABSS5EW

pith:2017:FABSS5EWORUIUXPXQFTPB6HH3F

not attested not anchored not stored refs pending

Density-equalizing maps for simply-connected open surfaces

Chris H. Rycroft, Gary P. T. Choi

arxiv:1704.02525 v1 · 2017-04-08 · cs.CG · cs.GR · cs.NA · math.DG · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FABSS5EWORUIUXPXQFTPB6HH3F}

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	2026-06-04T18:10:43.484482Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

280329749674688a5df78166f0f8e7d963c7dc58ae202ac9fc606421ef25f7ec

Aliases

arxiv: 1704.02525 · arxiv_version: 1704.02525v1 · doi: 10.48550/arxiv.1704.02525 · pith_short_12: FABSS5EWORUI · pith_short_16: FABSS5EWORUIUXPX · pith_short_8: FABSS5EW

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/FABSS5EWORUIUXPXQFTPB6HH3F \
  | 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: 280329749674688a5df78166f0f8e7d963c7dc58ae202ac9fc606421ef25f7ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "42868bf111a13924307e6dd710304d37aaa45e90860ffbde80da9efd393725ed",
    "cross_cats_sorted": [
      "cs.GR",
      "cs.NA",
      "math.DG",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2017-04-08T19:08:08Z",
    "title_canon_sha256": "5f1278a863440c45e54acfa6275434487c52df55c1e1141daed5f1e04e51a3ce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.02525",
    "kind": "arxiv",
    "version": 1
  }
}