Pith Number

pith:V5WHXUVS

pith:2004:V5WHXUVSQMVQGPWGPJ5TX2ZHVS

not attested not anchored not stored refs pending

A 2D analysis of percolation and filamentarity in the SDSS DR1

Biswajit Pandey, India), Somnath Bharadwaj (IIT Kharagpur

arxiv:astro-ph/0409616 v2 · 2004-09-27 · 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{V5WHXUVSQMVQGPWGPJ5TX2ZHVS}

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	2026-07-04T15:45:34.370655Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

af6c7bd2b2832b033ec67a7b3beb27ac913a3a4b9da426e445198304dc2c3252

Aliases

arxiv: astro-ph/0409616 · arxiv_version: astro-ph/0409616v2 · doi: 10.48550/arxiv.astro-ph/0409616 · pith_short_12: V5WHXUVSQMVQ · pith_short_16: V5WHXUVSQMVQGPWG · pith_short_8: V5WHXUVS

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/V5WHXUVSQMVQGPWGPJ5TX2ZHVS \
  | 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: af6c7bd2b2832b033ec67a7b3beb27ac913a3a4b9da426e445198304dc2c3252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a81c3c97ff6761e239f817c721e0e73d0052a29411938700086f7b003affe7cf",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2004-09-27T06:37:26Z",
    "title_canon_sha256": "254a868c5fc203a5df44c0edce1efa60e13785a8bd0eb6f042e076b875a26da7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0409616",
    "kind": "arxiv",
    "version": 2
  }
}