Pith Number

pith:O2LSOGXX

pith:2010:O2LSOGXXPQEYLA4UPXSFGYGQHB

not attested not anchored not stored refs pending

Luminosity function of galaxies in groups in the SDSS DR7: the dependence on mass, environment and galaxy type

Argentina), Ariel Zandivarez, CONICET-OAC, Hector J. Martinez (Instituto de Astronomia Teorica y Experimental, IATE, Universidad Nacional de Cordoba

arxiv:1012.3445 v2 · 2010-12-15 · 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{O2LSOGXXPQEYLA4UPXSFGYGQHB}

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	2026-05-18T02:04:24.229603Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7697271af77c098583947de45360d03863ad0aa85db4e90ea698d1cf6f4c4dbd

Aliases

arxiv: 1012.3445 · arxiv_version: 1012.3445v2 · doi: 10.48550/arxiv.1012.3445 · pith_short_12: O2LSOGXXPQEY · pith_short_16: O2LSOGXXPQEYLA4U · pith_short_8: O2LSOGXX

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/O2LSOGXXPQEYLA4UPXSFGYGQHB \
  | 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: 7697271af77c098583947de45360d03863ad0aa85db4e90ea698d1cf6f4c4dbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6cb2f5fadf5e18a0bfdd5a1fd5d4a3974c2c54d980f334a5604147e9ab0987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-12-15T20:13:26Z",
    "title_canon_sha256": "0bf097f95f14dcdab68ca76b337ce9b5b8484ada837a2d99f635a981b14ad4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3445",
    "kind": "arxiv",
    "version": 2
  }
}