Pith Number

pith:POHHFKA2

pith:2012:POHHFKA2Y67JDVHO3NOOKUYEFP

not attested not anchored not stored refs pending

Piecing together the puzzle of NGC 5253: abundances, kinematics and WR stars

A. Monreal-Ibero (IAA), B. James (STScI/IoA), J. R. Walsh (ESO), M. S. Westmoquette (ESO)

arxiv:1212.2385 v1 · 2012-12-11 · astro-ph.CO · 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{POHHFKA2Y67JDVHO3NOOKUYEFP}

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	2026-05-18T01:52:40.132951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b8e72a81ac7be91d4eedb5ce553042bf30224db7cafd2d505da9ea2f65a1819

Aliases

arxiv: 1212.2385 · arxiv_version: 1212.2385v1 · doi: 10.48550/arxiv.1212.2385 · pith_short_12: POHHFKA2Y67J · pith_short_16: POHHFKA2Y67JDVHO · pith_short_8: POHHFKA2

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/POHHFKA2Y67JDVHO3NOOKUYEFP \
  | 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: 7b8e72a81ac7be91d4eedb5ce553042bf30224db7cafd2d505da9ea2f65a1819

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "887cd135bc0f6eacf7eda2778823d1ce2ca5242e143eb105079f5e5bef96b377",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-12-11T11:16:25Z",
    "title_canon_sha256": "4025dbbae85705ffd134bff1f7338e7dd832a928bde3e8d9961255f1d5e8d3c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1212.2385",
    "kind": "arxiv",
    "version": 1
  }
}