Pith Number

pith:ZUZFV2F7

pith:2003:ZUZFV2F7QIUDI4HZFX2YRKD6TF

not attested not anchored not stored refs pending

Acceleration Method of Neighbor Search with GRAPE and Morton-ordering

J. Koda, T. R. Saitoh

arxiv:astro-ph/0305525 v1 · 2003-05-28 · 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{ZUZFV2F7QIUDI4HZFX2YRKD6TF}

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	2026-05-18T01:40:38.846353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cd325ae8bf82283470f92df588a87e995208dfe9166438cf03e9e627b2c53554

Aliases

arxiv: astro-ph/0305525 · arxiv_version: astro-ph/0305525v1 · doi: 10.48550/arxiv.astro-ph/0305525 · pith_short_12: ZUZFV2F7QIUD · pith_short_16: ZUZFV2F7QIUDI4HZ · pith_short_8: ZUZFV2F7

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/ZUZFV2F7QIUDI4HZFX2YRKD6TF \
  | 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: cd325ae8bf82283470f92df588a87e995208dfe9166438cf03e9e627b2c53554

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfc9e2a0001547d7ef16d68d2e72cf4d387be6f9ccdf5416424ef39a705f7940",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-05-28T17:22:15Z",
    "title_canon_sha256": "88bd735947c6e44dfc409f340485c8a9ed1bde3c24a65735623e25631709aa80"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0305525",
    "kind": "arxiv",
    "version": 1
  }
}