Pith Number

pith:SSCNRRE2

pith:2017:SSCNRRE2BBBNIXE32QCLEVOHFF

not attested not anchored not stored refs pending

Chemical Abundances of Planetary Nebulae in the Substructures of M31 -- II. The Extended Sample and A Comparison Study with the Outer-disk Group

Amanda I. Karakas, Antonio Cabrera-Lavers, Christophe Morisset, Haibo Yuan, Marcelo M. Miller Bertolami, Martin A. Guerrero, Ruben Garcia-Benito, Xiaowei Liu, Xuan Fang, Yong Zhang

arxiv:1712.04645 v1 · 2017-12-13 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SSCNRRE2BBBNIXE32QCLEVOHFF}

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	2026-05-18T00:24:14.783575Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9484d8c49a0842d45c9bd404b255c72952f201b159b3bebb6fc3614894761e79

Aliases

arxiv: 1712.04645 · arxiv_version: 1712.04645v1 · doi: 10.48550/arxiv.1712.04645 · pith_short_12: SSCNRRE2BBBN · pith_short_16: SSCNRRE2BBBNIXE3 · pith_short_8: SSCNRRE2

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/SSCNRRE2BBBNIXE32QCLEVOHFF \
  | 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: 9484d8c49a0842d45c9bd404b255c72952f201b159b3bebb6fc3614894761e79

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "730382356f755cfe25845d3dec7b7d5b670efdc3171cc74dc5de0b4880ba29fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-12-13T08:03:06Z",
    "title_canon_sha256": "9faee06f05bf47ae5be817bc7f6731e2e6e3d334104e07f7a049ae6b500faeac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.04645",
    "kind": "arxiv",
    "version": 1
  }
}