pith. sign in
Pith Number

pith:GCNVG6QA

pith:2012:GCNVG6QAIABVQPYUMV3A4INJKP
not attested not anchored not stored refs pending

The AGB population of NGC 6822: distribution and the C/M ratio from JHK photometry

L. F. Sibbons, M.-R. L. Cioni M. Irwin, R. Napiwotzki, S. G. Ryan

arxiv:1202.3285 v2 · 2012-02-15 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GCNVG6QAIABVQPYUMV3A4INJKP}

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 2026-05-18T01:58:28.119262Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

309b537a004003583f1465760e21a953e2d8db6a1d7067923c53e0a9d8512a17

Aliases

arxiv: 1202.3285 · arxiv_version: 1202.3285v2 · doi: 10.48550/arxiv.1202.3285 · pith_short_12: GCNVG6QAIABV · pith_short_16: GCNVG6QAIABVQPYU · pith_short_8: GCNVG6QA
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GCNVG6QAIABVQPYUMV3A4INJKP \
  | 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: 309b537a004003583f1465760e21a953e2d8db6a1d7067923c53e0a9d8512a17
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "334c21f69aee574b01ccb87f4be2cb14edeedc807a195957104554ef60c1038b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-02-15T11:54:31Z",
    "title_canon_sha256": "61670994c8bf65306384fed4a1ddaad5b82c103478e3f6185b140b210db9786b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3285",
    "kind": "arxiv",
    "version": 2
  }
}