Pith Number

pith:UXXWZCGM

pith:1999:UXXWZCGMT3QID23VYO7PYPQVQA

not attested not anchored not stored refs pending

Periodic discrete conformal maps

F. Pedit, I. McIntosh, P. Norman, U. Hertrich-Jeromin

arxiv:math/9905112 v1 · 1999-05-19 · math.DG · 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{UXXWZCGMT3QID23VYO7PYPQVQA}

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	2026-05-18T02:42:52.809121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a5ef6c88cc9ee081eb75c3befc3e15800bcbcdbdbe535c4dd00a4c773bfb41ed

Aliases

arxiv: math/9905112 · arxiv_version: math/9905112v1 · doi: 10.48550/arxiv.math/9905112 · pith_short_12: UXXWZCGMT3QI · pith_short_16: UXXWZCGMT3QID23V · pith_short_8: UXXWZCGM

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/UXXWZCGMT3QID23VYO7PYPQVQA \
  | 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: a5ef6c88cc9ee081eb75c3befc3e15800bcbcdbdbe535c4dd00a4c773bfb41ed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8d202ce5544552c095a4d30ff191ac56df01086d7bd814a99ef2213513e663b",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "1999-05-19T16:43:51Z",
    "title_canon_sha256": "3da88aa868208d0afdd364efab4dbf73d290c4b15619e89e722784d2e0f6895d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9905112",
    "kind": "arxiv",
    "version": 1
  }
}