Pith Number

pith:BURQH53W

pith:2013:BURQH53WYZOINNVQCE2GWGE5LA

not attested not anchored not stored refs pending

On the structure of Finsler and areal spaces

Demeter Krupka, Erico Tanaka

arxiv:1307.1036 v1 · 2013-07-03 · math.DG · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BURQH53WYZOINNVQCE2GWGE5LA}

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	2026-05-18T03:19:23.106019Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d2303f776c65c86b6b011346b189d581db9afb05859faebc9c16096a1266d8f

Aliases

arxiv: 1307.1036 · arxiv_version: 1307.1036v1 · doi: 10.48550/arxiv.1307.1036 · pith_short_12: BURQH53WYZOI · pith_short_16: BURQH53WYZOINNVQ · pith_short_8: BURQH53W

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/BURQH53WYZOINNVQCE2GWGE5LA \
  | 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: 0d2303f776c65c86b6b011346b189d581db9afb05859faebc9c16096a1266d8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e55d9e482ac1ed16f790368d54ad26b5f705f679d23444022154322bb3ef4142",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-07-03T15:08:52Z",
    "title_canon_sha256": "0b0f040fa51a1e49a3a799558576adfd07873b7455ecda9709305bd9ffa130b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.1036",
    "kind": "arxiv",
    "version": 1
  }
}