Pith Number

pith:BVFELDLD

pith:2008:BVFELDLD53DXW4ZPSS7P2PFHNK

not attested not anchored not stored refs pending

Probing for cosmological parameters with LAMOST measurement

Hong Li, Jun-Qing Xia, Xinmin Zhang, Zuhui Fan

arxiv:0806.1842 v2 · 2008-06-11 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BVFELDLD53DXW4ZPSS7P2PFHNK}

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	2026-07-04T17:28:28.020252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0d4a458d63eec77b732f94befd3ca76aacb52b93da891c57ff9ef3aa468d7ee9

Aliases

arxiv: 0806.1842 · arxiv_version: 0806.1842v2 · doi: 10.48550/arxiv.0806.1842 · pith_short_12: BVFELDLD53DX · pith_short_16: BVFELDLD53DXW4ZP · pith_short_8: BVFELDLD

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/BVFELDLD53DXW4ZPSS7P2PFHNK \
  | 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: 0d4a458d63eec77b732f94befd3ca76aacb52b93da891c57ff9ef3aa468d7ee9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "970761fe8e69737c3e5fc091e86fa7052534128488385fb310a7dc9fe0e1518f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-11T14:35:10Z",
    "title_canon_sha256": "12b97a3a772cb769990f886e8eda9816b816ac798b6ad8fe041ed0b20770f395"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1842",
    "kind": "arxiv",
    "version": 2
  }
}