Pith Number

pith:44P46MZY

pith:2012:44P46MZYKN2SKWDSTB6OJD463D

not attested not anchored not stored refs pending

Observable effects in a class of spherically symmetric static Finsler spacetimes

Claus Laemmerzahl, Volker Perlick, Wolfgang Hasse

arxiv:1208.0619 v2 · 2012-08-02 · 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{44P46MZYKN2SKWDSTB6OJD463D}

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	2026-05-18T01:34:59.584285Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e71fcf33385375255872987ce48f9ed8f5ce672bbd18fe3e63760cfde4e713e1

Aliases

arxiv: 1208.0619 · arxiv_version: 1208.0619v2 · doi: 10.48550/arxiv.1208.0619 · pith_short_12: 44P46MZYKN2S · pith_short_16: 44P46MZYKN2SKWDS · pith_short_8: 44P46MZY

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/44P46MZYKN2SKWDSTB6OJD463D \
  | 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: e71fcf33385375255872987ce48f9ed8f5ce672bbd18fe3e63760cfde4e713e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "658331c9ef5c3c482645724f0d0c18066f8ac0efb9d7bb957c649973df572401",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2012-08-02T21:32:48Z",
    "title_canon_sha256": "6ed16a1b26c1cf88513553abfc57a63374b4c8b300d4bb73abd8967b4e90b077"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.0619",
    "kind": "arxiv",
    "version": 2
  }
}