Pith Number

pith:QVNOWFPR

pith:2013:QVNOWFPRN7PQWFAPQJJXAPFFBS

not attested not anchored not stored refs pending

On generalized Robertson-Walker spacetimes satisfying some curvature condition

Cengizhan Murathan, Kadri Arslan, Marian Hotlo\'s, Ridvan Ezentas, Ryszard Deszcz

arxiv:1305.4304 v1 · 2013-05-18 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QVNOWFPRN7PQWFAPQJJXAPFFBS}

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	2026-05-18T03:25:24.184204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

855aeb15f16fdf0b140f8253703ca50c8c0d77d6dad797113b3ee80e4b7d2f34

Aliases

arxiv: 1305.4304 · arxiv_version: 1305.4304v1 · doi: 10.48550/arxiv.1305.4304 · pith_short_12: QVNOWFPRN7PQ · pith_short_16: QVNOWFPRN7PQWFAP · pith_short_8: QVNOWFPR

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/QVNOWFPRN7PQWFAPQJJXAPFFBS \
  | 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: 855aeb15f16fdf0b140f8253703ca50c8c0d77d6dad797113b3ee80e4b7d2f34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913d9d538985bdb918bd00fcb41936cbe01af7089274dba897d1b609429c3e64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2013-05-18T22:03:31Z",
    "title_canon_sha256": "43a54e71334c660dd2aa6c5fb848cf7bd0eb48d4de778d95edda0cc2dac5b706"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.4304",
    "kind": "arxiv",
    "version": 1
  }
}