Pith Number

pith:YSDEKV2F

pith:2004:YSDEKV2FABZXDBZJJLZ3OOOXUP

not attested not anchored not stored refs pending

What is wrong with the Hausdorff measure in Finsler spaces

Gautier Berck, Juan Carlos Alvarez Paiva

arxiv:math/0408413 v1 · 2004-08-30 · math.DG · math.MG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YSDEKV2FABZXDBZJJLZ3OOOXUP}

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	2026-05-18T04:12:43.304971Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c48645574500737187294af3b739d7a3e330ff32cde2e22648fa69a3ac229aba

Aliases

arxiv: math/0408413 · arxiv_version: math/0408413v1 · doi: 10.48550/arxiv.math/0408413 · pith_short_12: YSDEKV2FABZX · pith_short_16: YSDEKV2FABZXDBZJ · pith_short_8: YSDEKV2F

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/YSDEKV2FABZXDBZJJLZ3OOOXUP \
  | 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: c48645574500737187294af3b739d7a3e330ff32cde2e22648fa69a3ac229aba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "253c0672c37cca0d7d197fe5723e9014f2df7cd11d4c81b82eabfb616abe36af",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "",
    "primary_cat": "math.DG",
    "submitted_at": "2004-08-30T17:49:06Z",
    "title_canon_sha256": "ae33a9808e727b860187efc6f8bdf13a7ef0d94eb79526197dd1fdfb5be8e663"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/0408413",
    "kind": "arxiv",
    "version": 1
  }
}