Pith Number

pith:XYMRJHKS

pith:2012:XYMRJHKSSN7CLAFVVBMAXS2KLF

not attested not anchored not stored refs pending

Ionized gas diagnostics from protoplanetary discs in the Orion Nebula and the abundance discrepancy problem

2, (2) Institute for Astronomy, 3, (3) Instituto de Astrof\'isica de Canarias, 4), (4) Departamento de Astrof\'isica, (5) Centro de Radioastronom\'ia y Astrof\'isica, (6) European Southern Observatory, A. Mesa-Delgado (1, Campus Morelia, C. Esteban (3, Chile, Facultad de F\'isica, Garching bei M\"unchen, Germany), HI, Honolulu, J. Garc\'ia-Rojas (3, L. L\'opez-Mart\'in (3, M\'exico, Michoac\'an, M. N\'u\~nez-D\'iaz (3, N. Flores-Fajardo (5), Pontificia Universidad Cat\'olica de Chile, Santiago, Spain, Tenerife, Universidad de La Laguna, Universidad Nacional Aut\'onoma de M\'exico, USA, W. J. Henney (5) ((1) Departamento de Astronom\'ia y Astrof\'isica, Y. G. Tsamis (6)

arxiv:1205.0509 v1 · 2012-05-02 · 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{XYMRJHKSSN7CLAFVVBMAXS2KLF}

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	2026-05-18T01:57:38.867893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be19149d52937e2580b5a8580bcb4a596871c8f795e6e300bdd93d7b79a7fba5

Aliases

arxiv: 1205.0509 · arxiv_version: 1205.0509v1 · doi: 10.48550/arxiv.1205.0509 · pith_short_12: XYMRJHKSSN7C · pith_short_16: XYMRJHKSSN7CLAFV · pith_short_8: XYMRJHKS

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/XYMRJHKSSN7CLAFVVBMAXS2KLF \
  | 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: be19149d52937e2580b5a8580bcb4a596871c8f795e6e300bdd93d7b79a7fba5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2133e14f8f58a3df10338b332e404b59ea04b92209de9b9647c6c2e4ca623874",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-02T18:11:45Z",
    "title_canon_sha256": "77566ca051e7833595c2a4bb21df66cf2d8d107e350b6cf4f48717b041942c39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0509",
    "kind": "arxiv",
    "version": 1
  }
}