Pith Number

pith:H42QL4UR

pith:2012:H42QL4UROJZR3PIK4LY3BHHDP5

not attested not anchored not stored refs pending

Effect of bars in AGN host galaxies and black hole activity

Diego Garcia Lambas, Georgina Coldwell, Sol Alonso

arxiv:1211.5156 v1 · 2012-11-21 · 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{H42QL4UROJZR3PIK4LY3BHHDP5}

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	2026-05-18T01:53:01.732785Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f3505f29172731dbd0ae2f1b09ce37f5bada5e31e9987a0f3d54f7e3d8a859c

Aliases

arxiv: 1211.5156 · arxiv_version: 1211.5156v1 · doi: 10.48550/arxiv.1211.5156 · pith_short_12: H42QL4UROJZR · pith_short_16: H42QL4UROJZR3PIK · pith_short_8: H42QL4UR

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/H42QL4UROJZR3PIK4LY3BHHDP5 \
  | 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: 3f3505f29172731dbd0ae2f1b09ce37f5bada5e31e9987a0f3d54f7e3d8a859c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "53618926048783b6da1b9956ce90f693b784e0c887c48084120e1b879a53c827",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-11-21T21:45:10Z",
    "title_canon_sha256": "9920404eb6232c558c8147f1d1ead64869a1f4659f13b6e23fd35fdd4e28713f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.5156",
    "kind": "arxiv",
    "version": 1
  }
}