Pith Number

pith:C4RKDB4Y

pith:2009:C4RKDB4YYD6GRFWPO22G6OEK7V

not attested not anchored not stored refs pending

Dynamic S0 Galaxies: a Case Study of NGC 5866

Jiang-Tao Li, Q. Daniel Wang, Yang Chen, Zhiyuan Li

arxiv:0908.2495 v2 · 2009-08-18 · astro-ph.CO · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C4RKDB4YYD6GRFWPO22G6OEK7V}

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	2026-05-18T02:12:25.745506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1722a18798c0fc6896cf76b46f388afd70092132da3451019d67700c31c8e70a

Aliases

arxiv: 0908.2495 · arxiv_version: 0908.2495v2 · doi: 10.48550/arxiv.0908.2495 · pith_short_12: C4RKDB4YYD6G · pith_short_16: C4RKDB4YYD6GRFWP · pith_short_8: C4RKDB4Y

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/C4RKDB4YYD6GRFWPO22G6OEK7V \
  | 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: 1722a18798c0fc6896cf76b46f388afd70092132da3451019d67700c31c8e70a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6cb643dc63228dcaa45bc4de16c71d8725b50d0b6fe6bd2a84ec059dba28bcc6",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-08-18T06:28:54Z",
    "title_canon_sha256": "3a691a7550db3f1f9bdadb45c9af099cd55ff611eb062ae789164b8e32ef8329"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.2495",
    "kind": "arxiv",
    "version": 2
  }
}