Pith Number

pith:H6N7QCAO

pith:2009:H6N7QCAOJQWSHSTGXAQPVSWJQK

not attested not anchored not stored refs pending

The properties of a large sample of low surface brightness galaxies from SDSS

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

arxiv:0910.1967 v1 · 2009-10-11 · 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{H6N7QCAOJQWSHSTGXAQPVSWJQK}

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	2026-05-18T02:11:24.848795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f9bf8080e4c2d23ca66b820facac982b5d9cba55fb8c0c3901dd7b0d0695e7a

Aliases

arxiv: 0910.1967 · arxiv_version: 0910.1967v1 · doi: 10.48550/arxiv.0910.1967 · pith_short_12: H6N7QCAOJQWS · pith_short_16: H6N7QCAOJQWSHSTG · pith_short_8: H6N7QCAO

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/H6N7QCAOJQWSHSTGXAQPVSWJQK \
  | 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: 3f9bf8080e4c2d23ca66b820facac982b5d9cba55fb8c0c3901dd7b0d0695e7a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4305f98acca80ab60eb0964be0cb57c7ef97280e18a0601cc2b9ac46ecb185c9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2009-10-11T03:54:53Z",
    "title_canon_sha256": "29e996dffbafbca9655d7479c007ef05d3fba27b1ed0a753384412b27e86b3a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.1967",
    "kind": "arxiv",
    "version": 1
  }
}