Pith Number

pith:4FYHP3AS

pith:2009:4FYHP3ASPX55DR6YP5QPQPRFJD

not attested not anchored not stored refs pending

On the interplay between Lorentzian Causality and Finsler metrics of Randers type

Erasmo Caponio, Miguel Angel Javaloyes, Miguel Sanchez

arxiv:0903.3501 v2 · 2009-03-20 · math.DG · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4FYHP3ASPX55DR6YP5QPQPRFJD}

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	2026-05-18T03:58:05.175682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17077ec127dfbd1c7d87f60f83e2548c3c69ba7e5deb601e3c7f85c09adfaa1

Aliases

arxiv: 0903.3501 · arxiv_version: 0903.3501v2 · doi: 10.48550/arxiv.0903.3501 · pith_short_12: 4FYHP3ASPX55 · pith_short_16: 4FYHP3ASPX55DR6Y · pith_short_8: 4FYHP3AS

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/4FYHP3ASPX55DR6YP5QPQPRFJD \
  | 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: e17077ec127dfbd1c7d87f60f83e2548c3c69ba7e5deb601e3c7f85c09adfaa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b648ce2acbb6a54169bd112e67ea0f3e4483ba8b74d42f1df5240acdcde6c50",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2009-03-20T11:58:06Z",
    "title_canon_sha256": "7074a6704fde40bb8004e4f9aed17d9e70af273cd312e6726c26e249f5396e15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0903.3501",
    "kind": "arxiv",
    "version": 2
  }
}