Pith Number

pith:JAESK5BT

pith:2002:JAESK5BTTPOUQB7Y2JXKHBSQKM

not attested not anchored not stored refs pending

Small eigenvalues of the Conformal Laplacian

Christian Baer, Mattias Dahl

arxiv:math/0204200 v3 · 2002-04-16 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JAESK5BTTPOUQB7Y2JXKHBSQKM}

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	2026-05-18T04:17:04.851967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48092574339bdd4807f8d26ea38650532ed540f805e2c88f76315d2d057a65a0

Aliases

arxiv: math/0204200 · arxiv_version: math/0204200v3 · doi: 10.48550/arxiv.math/0204200 · pith_short_12: JAESK5BTTPOU · pith_short_16: JAESK5BTTPOUQB7Y · pith_short_8: JAESK5BT

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/JAESK5BTTPOUQB7Y2JXKHBSQKM \
  | 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: 48092574339bdd4807f8d26ea38650532ed540f805e2c88f76315d2d057a65a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "266f827ab8a3dc89543cd4da3aa13ae57b4cc109a023521193e0072d5f575fbf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2002-04-16T07:59:36Z",
    "title_canon_sha256": "a02eac958a35560fe34eff8dde328504bf711722c952dae463476d4587b67a65"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0204200",
    "kind": "arxiv",
    "version": 3
  }
}