Pith Number

pith:6BMCQ3ZZ

pith:2010:6BMCQ3ZZIBS4ZSEKB3LZ6J372P

not attested not anchored not stored refs pending

A large sample of low surface brightness disc galaxies from the SDSS- II. Metallicities in surface brightness bins

1, 2, 2), 2) ((1)NAOC, (2)Key Laboratory of Optical Astronomy, 3), (3)Graduate School of the Chinese Academy of Sciences, (4)GEPI, (5)College of Physics Science, (6)Department of Physicals, B. Zhang(6, China, China), D. Gao(1, F. Hammer(4), France, F. S. Liu(5, G. H. Zhong(1, Hebei Normal University, J. Y. Hu(1, L. C. Deng(1, NAOC, Observatoire de Paris-Meudon, Shenyang Normal University, Technology, X. Y. Chen(1, Y. C. Liang(1

arxiv:1004.3683 v1 · 2010-04-21 · 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{6BMCQ3ZZIBS4ZSEKB3LZ6J372P}

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	2026-05-18T02:07:55.747475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f058286f394065ccc88a0ed79f277fd3f4b8af2f1db712aca0da8f00c7661c36

Aliases

arxiv: 1004.3683 · arxiv_version: 1004.3683v1 · doi: 10.48550/arxiv.1004.3683 · pith_short_12: 6BMCQ3ZZIBS4 · pith_short_16: 6BMCQ3ZZIBS4ZSEK · pith_short_8: 6BMCQ3ZZ

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/6BMCQ3ZZIBS4ZSEKB3LZ6J372P \
  | 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: f058286f394065ccc88a0ed79f277fd3f4b8af2f1db712aca0da8f00c7661c36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1b648c3cdad6542747bcb55cbad6fc80dd58b07fa49de61c14f621563ae85607",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-21T12:05:12Z",
    "title_canon_sha256": "3af957e784d2cd9687f4252e71336b0e5167e48be66c9487e9c5d6a68e082e19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3683",
    "kind": "arxiv",
    "version": 1
  }
}