Pith Number

pith:NM7WCEWJ

pith:2010:NM7WCEWJNRY5DKTOKUIVW4A4I4

not attested not anchored not stored refs pending

Surface Photometry and Radial Color Gradients of Nearby Luminous Early-type Galaxies in SDSS Stripe 82

Fangzhou Jiang, Qiusheng Gu, Song Huang

arxiv:1009.2562 v1 · 2010-09-14 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NM7WCEWJNRY5DKTOKUIVW4A4I4}

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	2026-05-18T02:05:30.882192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b3f6112c96c71d1aa6e55115b701c470dfa4ed764647c8c90f2d1645ad6edb6

Aliases

arxiv: 1009.2562 · arxiv_version: 1009.2562v1 · doi: 10.48550/arxiv.1009.2562 · pith_short_12: NM7WCEWJNRY5 · pith_short_16: NM7WCEWJNRY5DKTO · pith_short_8: NM7WCEWJ

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/NM7WCEWJNRY5DKTOKUIVW4A4I4 \
  | 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: 6b3f6112c96c71d1aa6e55115b701c470dfa4ed764647c8c90f2d1645ad6edb6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "44d92054592a2c3371f40090ca9220ea119914d880cc3c6be0aa42103eface23",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-09-14T03:26:04Z",
    "title_canon_sha256": "976f685d139c2637d673a475c28f1cf3ee0d306068376f9c6d2aa112c6e91916"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.2562",
    "kind": "arxiv",
    "version": 1
  }
}