Pith Number

pith:FBFW4ZFD

pith:2009:FBFW4ZFDWT4TDMURIZOGY6IHBA

not attested not anchored not stored refs pending

Bare and effective fluid description in brane world cosmology

Francisco Pena, Joel Saavedra, Norman Cruz, Samuel Lepe

arxiv:0906.2403 v1 · 2009-06-12 · astro-ph.CO · gr-qc · hep-th

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FBFW4ZFDWT4TDMURIZOGY6IHBA}

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	2026-05-18T02:34:45.703802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

284b6e64a3b4f931b291465c6c7907080501ae746e19cd19f395ea14c17dad34

Aliases

arxiv: 0906.2403 · arxiv_version: 0906.2403v1 · doi: 10.48550/arxiv.0906.2403 · pith_short_12: FBFW4ZFDWT4T · pith_short_16: FBFW4ZFDWT4TDMUR · pith_short_8: FBFW4ZFD

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/FBFW4ZFDWT4TDMURIZOGY6IHBA \
  | 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: 284b6e64a3b4f931b291465c6c7907080501ae746e19cd19f395ea14c17dad34

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5167c4687be36054f61fceb17ce17478b5b722d116d403d79a2f9d85a0af277",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-th"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-06-12T19:11:49Z",
    "title_canon_sha256": "4bcbbc285f8eb1d7ad368ad2988d9c66f9bab39f097e9f7c1dd7dbb4ae8ab382"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.2403",
    "kind": "arxiv",
    "version": 1
  }
}