Pith Number

pith:Y7WH5U3Y

pith:2009:Y7WH5U3YARG67GDLH5D7YYQ7N2

not attested not anchored not stored refs pending

Anisotropic dark energy stars

Cristian R. Ghezzi

arxiv:0908.0779 v3 · 2009-08-06 · 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{Y7WH5U3YARG67GDLH5D7YYQ7N2}

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	2026-05-18T04:22:29.881215Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c7ec7ed378044def986b3f47fc621f6ebe1137fa6e4e4c6f3004e14f5967d525

Aliases

arxiv: 0908.0779 · arxiv_version: 0908.0779v3 · doi: 10.48550/arxiv.0908.0779 · pith_short_12: Y7WH5U3YARG6 · pith_short_16: Y7WH5U3YARG67GDL · pith_short_8: Y7WH5U3Y

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/Y7WH5U3YARG67GDLH5D7YYQ7N2 \
  | 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: c7ec7ed378044def986b3f47fc621f6ebe1137fa6e4e4c6f3004e14f5967d525

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8fffb5d3e87fc3bdf2044568c47d3d6f22fe4666ca07ceeb46aa17e96e2aef9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2009-08-06T01:16:13Z",
    "title_canon_sha256": "8499a3c6bdcc408d77a12ed925da501f1332f68c46fd22ecd72676447eca532d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.0779",
    "kind": "arxiv",
    "version": 3
  }
}