Pith Number

pith:KOUFKC6O

pith:2008:KOUFKC6ODJLMQE3H23LM2P5VAK

not attested not anchored not stored refs pending

Star Models with Dark Energy

J.F. Villas da Rocha, M.F.A. da Silva, R. Chan

arxiv:0803.3064 v2 · 2008-03-20 · 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{KOUFKC6ODJLMQE3H23LM2P5VAK}

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	2026-05-18T03:42:32.561433Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a8550bce1a56c81367d6d6cd3fb502b7af6a55622116e12245325a66fe7581

Aliases

arxiv: 0803.3064 · arxiv_version: 0803.3064v2 · doi: 10.48550/arxiv.0803.3064 · pith_short_12: KOUFKC6ODJLM · pith_short_16: KOUFKC6ODJLMQE3H · pith_short_8: KOUFKC6O

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/KOUFKC6ODJLMQE3H23LM2P5VAK \
  | 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: 53a8550bce1a56c81367d6d6cd3fb502b7af6a55622116e12245325a66fe7581

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "133cf1de072720a5cb9a1fe2b6f1b31da6ef834ac04abaf825f27478a3fdca75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "gr-qc",
    "submitted_at": "2008-03-20T19:54:02Z",
    "title_canon_sha256": "8b0c54ebd2904d8121d5511e94a5ac6861440b5f81523b1b0682e3bac3aea3e7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0803.3064",
    "kind": "arxiv",
    "version": 2
  }
}