Pith Number

pith:X56Z3GRE

pith:2013:X56Z3GREFRKQAWALGI7PR6STY3

not attested not anchored not stored refs pending

Weak field approximation in a model of de Sitter gravity: Schwarzschild-de Sitter solutions

Chao-Guang Huang, Jia-An Lu

arxiv:1305.6712 v1 · 2013-05-29 · 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{X56Z3GREFRKQAWALGI7PR6STY3}

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	2026-05-18T03:21:21.439959Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bf7d9d9a242c5500580b323ef8fa53c6d904623fb41d4de9c21db53c24c02648

Aliases

arxiv: 1305.6712 · arxiv_version: 1305.6712v1 · doi: 10.48550/arxiv.1305.6712 · pith_short_12: X56Z3GREFRKQ · pith_short_16: X56Z3GREFRKQAWAL · pith_short_8: X56Z3GRE

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/X56Z3GREFRKQAWALGI7PR6STY3 \
  | 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: bf7d9d9a242c5500580b323ef8fa53c6d904623fb41d4de9c21db53c24c02648

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d08889e8c030b22204ee9694891fd0724393a7f3c808083456c61dfda9d667",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2013-05-29T07:55:26Z",
    "title_canon_sha256": "b36342fb061a4f58a9e2ccfcc90792d5b1becf294eac32f0c34dbab840527e39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.6712",
    "kind": "arxiv",
    "version": 1
  }
}