Pith Number

pith:ZTVJWBVN

pith:2002:ZTVJWBVNG246XLLXG3GZM7PD2N

not attested not anchored not stored refs pending

Effects of Noise on Galaxy Isophotes

Nurur Rahman, Sergei F. Shandarin (University of Kansas)

arxiv:astro-ph/0209539 v1 · 2002-09-25 · 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{ZTVJWBVNG246XLLXG3GZM7PD2N}

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	2026-05-18T01:21:50.377700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ccea9b06ad36b9ebad7736cd967de3d374ff734fda512ff2ca93568ee59e5539

Aliases

arxiv: astro-ph/0209539 · arxiv_version: astro-ph/0209539v1 · doi: 10.48550/arxiv.astro-ph/0209539 · pith_short_12: ZTVJWBVNG246 · pith_short_16: ZTVJWBVNG246XLLX · pith_short_8: ZTVJWBVN

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/ZTVJWBVNG246XLLXG3GZM7PD2N \
  | 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: ccea9b06ad36b9ebad7736cd967de3d374ff734fda512ff2ca93568ee59e5539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7e7423ddc6943012a59a7f25139162d6d2f248e0990c876bc89d38babe76478",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2002-09-25T17:00:12Z",
    "title_canon_sha256": "5d5ed6b7db738cd4fba77901de2cfcba68a73a0d8eef8e2d916952d2c5e11b82"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0209539",
    "kind": "arxiv",
    "version": 1
  }
}