Pith Number

pith:YOUXSIUK

pith:2008:YOUXSIUKDDEBKFDK4XBYZN6RMX

not attested not anchored not stored refs pending

On the Finsler metrics obtained as limits of chessboard structures

Annalisa Malusa, Graziano Crasta, Micol Amar

arxiv:0804.4388 v1 · 2008-04-28 · math.AP · 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{YOUXSIUKDDEBKFDK4XBYZN6RMX}

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	2026-05-17T23:39:42.655071Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3a979228a18c815146ae5c38cb7d165fed26a55318fc3aa0aaefbb4d3c479f1

Aliases

arxiv: 0804.4388 · arxiv_version: 0804.4388v1 · doi: 10.48550/arxiv.0804.4388 · pith_short_12: YOUXSIUKDDEB · pith_short_16: YOUXSIUKDDEBKFDK · pith_short_8: YOUXSIUK

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/YOUXSIUKDDEBKFDK4XBYZN6RMX \
  | 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: c3a979228a18c815146ae5c38cb7d165fed26a55318fc3aa0aaefbb4d3c479f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7f7257fd50ec2a685e5c97d4c6bd4b96ed938e868d89177693b6b6b2e4518a25",
    "cross_cats_sorted": [
      "math.MG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2008-04-28T12:31:31Z",
    "title_canon_sha256": "80ebc26f3bde8142f82731618f8fb8bf31b5372a139ae72fbbe2d0248c4fc1c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0804.4388",
    "kind": "arxiv",
    "version": 1
  }
}