Pith Number

pith:ASZHIY4A

pith:2013:ASZHIY4AXMCP4HYWR3VSWXXLUL

not attested not anchored not stored refs pending

Extensions of Lorentzian spacetime geometry: From Finsler to Cartan and vice versa

Manuel Hohmann

arxiv:1304.5430 v2 · 2013-04-19 · gr-qc · hep-th · 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{ASZHIY4AXMCP4HYWR3VSWXXLUL}

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	2026-05-18T03:19:45.357878Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04b2746380bb04fe1f168eeb2b5eeba2c3e7f03def91820140a7c283fdd6d494

Aliases

arxiv: 1304.5430 · arxiv_version: 1304.5430v2 · doi: 10.48550/arxiv.1304.5430 · pith_short_12: ASZHIY4AXMCP · pith_short_16: ASZHIY4AXMCP4HYW · pith_short_8: ASZHIY4A

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/ASZHIY4AXMCP4HYWR3VSWXXLUL \
  | 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: 04b2746380bb04fe1f168eeb2b5eeba2c3e7f03def91820140a7c283fdd6d494

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40fc9b913c4071c79aff01e647f60073a7bc69f438fbfa8463bf1cab5abc2917",
    "cross_cats_sorted": [
      "hep-th",
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-04-19T14:38:33Z",
    "title_canon_sha256": "712b6c286aa1d806da770f7a1a37dda4f5c83a2d0b9e381d63f6221668e8e98f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.5430",
    "kind": "arxiv",
    "version": 2
  }
}