Pith Number

pith:GF3JUFJC

pith:2011:GF3JUFJC7SVTHJCKFKFQ3BC56E

not attested not anchored not stored refs pending

Evolution of the density parameter in the anisotropic DGP cosmology

P. K. Suresh, Rizwan ul Haq Ansari

arxiv:1112.5269 v1 · 2011-12-22 · 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{GF3JUFJC7SVTHJCKFKFQ3BC56E}

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	2026-05-18T04:05:47.923933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31769a1522fcab33a44a2a8b0d845df13dace753b0df8dc7a42a39e9c8b643f9

Aliases

arxiv: 1112.5269 · arxiv_version: 1112.5269v1 · doi: 10.48550/arxiv.1112.5269 · pith_short_12: GF3JUFJC7SVT · pith_short_16: GF3JUFJC7SVTHJCK · pith_short_8: GF3JUFJC

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/GF3JUFJC7SVTHJCKFKFQ3BC56E \
  | 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: 31769a1522fcab33a44a2a8b0d845df13dace753b0df8dc7a42a39e9c8b643f9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9887ea6889c97002d48e8276bacf5839a8f643e2fde524d3857310c894a7025e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2011-12-22T10:45:34Z",
    "title_canon_sha256": "32cfc51b2c87853b4ab6853cbbc671c00c68e85510d0fd978b15ba5757218f31"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1112.5269",
    "kind": "arxiv",
    "version": 1
  }
}