Pith Number

pith:UCOPUOVP

pith:2008:UCOPUOVPWA2TZIS36XO3PUIGKD

not attested not anchored not stored refs pending

Axisymmetric models for galaxies by equipotential and equidensity methods

Daoyuan Fang, David Moss, Zhenglu Jiang

arxiv:0806.1304 v1 · 2008-06-08 · 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{UCOPUOVPWA2TZIS36XO3PUIGKD}

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	2026-07-04T15:12:04.365642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a09cfa3aafb0353ca25bf5ddb7d10650d5edd2047e180c2922cf50608f5d028e

Aliases

arxiv: 0806.1304 · arxiv_version: 0806.1304v1 · doi: 10.48550/arxiv.0806.1304 · pith_short_12: UCOPUOVPWA2T · pith_short_16: UCOPUOVPWA2TZIS3 · pith_short_8: UCOPUOVP

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/UCOPUOVPWA2TZIS36XO3PUIGKD \
  | 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: a09cfa3aafb0353ca25bf5ddb7d10650d5edd2047e180c2922cf50608f5d028e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c96fc2b116e3f6e8f852ec33d03c36a11326f2519540bd3e999c5befd4c43ad6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-06-08T00:49:09Z",
    "title_canon_sha256": "eefa4b48679483f614247b0352d0b82108519a0edb5cf1da68e49a755cac19f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0806.1304",
    "kind": "arxiv",
    "version": 1
  }
}