Pith Number

pith:QMB3IK75

pith:2010:QMB3IK75JXM6DA6CN2FFLGBJBY

not attested not anchored not stored refs pending

On the fairness of the main galaxy sample of SDSS

Bin Ma, Jun Pan, Kelai Meng, Longlong Feng

arxiv:1010.2299 v2 · 2010-10-12 · 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{QMB3IK75JXM6DA6CN2FFLGBJBY}

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	2026-05-18T02:05:06.195298Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8303b42bfd4dd9e183c26e8a5598290e17181a43d51a15bc4cfeeceebad4c710

Aliases

arxiv: 1010.2299 · arxiv_version: 1010.2299v2 · doi: 10.48550/arxiv.1010.2299 · pith_short_12: QMB3IK75JXM6 · pith_short_16: QMB3IK75JXM6DA6C · pith_short_8: QMB3IK75

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/QMB3IK75JXM6DA6CN2FFLGBJBY \
  | 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: 8303b42bfd4dd9e183c26e8a5598290e17181a43d51a15bc4cfeeceebad4c710

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45b9f3214794bdff03091cd30e46c1642c72b3cfe152273e72e71b473559fe83",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-10-12T04:53:57Z",
    "title_canon_sha256": "041433f83348071f3723d1adca734a85ac9257cf46ebf6565cbdfee6578b0bf3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2299",
    "kind": "arxiv",
    "version": 2
  }
}