Pith Number

pith:YPG3K2NC

pith:2010:YPG3K2NCN3BBKOKHMSC65QOYH6

not attested not anchored not stored refs pending

Fraction of Strong Barred Galaxies (SB) in groups in the Nearby Universe, 0 < z < 0.066, as a function of redshift

J. Antonio Garcia-Barreto

arxiv:1012.3669 v1 · 2010-12-16 · astro-ph.GA · 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{YPG3K2NCN3BBKOKHMSC65QOYH6}

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	2026-05-18T04:33:05.925497Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c3cdb569a26ec21539476485eec1d83f88b5c65d32c69198b426f63e6bb57f6c

Aliases

arxiv: 1012.3669 · arxiv_version: 1012.3669v1 · doi: 10.48550/arxiv.1012.3669 · pith_short_12: YPG3K2NCN3BB · pith_short_16: YPG3K2NCN3BBKOKH · pith_short_8: YPG3K2NC

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/YPG3K2NCN3BBKOKHMSC65QOYH6 \
  | 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: c3cdb569a26ec21539476485eec1d83f88b5c65d32c69198b426f63e6bb57f6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "090337153d29d67d9e5aef6ac1be2df387c1df735016d7016cda1dd7a6004511",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2010-12-16T16:48:36Z",
    "title_canon_sha256": "09f9c7152491040a1732b330a77f1d843c7d3c77ab178fecae6ab3b657728dd1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1012.3669",
    "kind": "arxiv",
    "version": 1
  }
}