Pith Number

pith:CDIHTODY

pith:2013:CDIHTODYZDMSGECTXBZTEXMAUU

not attested not anchored not stored refs pending

HeI in the central Giant HII Region of NGC 5253. A 2D observational approach to collisional and radiative transfer effects

((1) Instituto de Astrofisica de Andalucia (CSIC), (2) European Southern Observatory), A. Monreal-Ibero (1), J. M. Vilchez (1), J. R. Walsh (2), M. S. Westmoquette (2)

arxiv:1303.4623 v2 · 2013-03-19 · 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{CDIHTODYZDMSGECTXBZTEXMAUU}

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	2026-05-18T01:51:00.734671Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

10d079b878c8d9231053b873325d80a52074f6e1abc75b2c33f3e19ef7ed664e

Aliases

arxiv: 1303.4623 · arxiv_version: 1303.4623v2 · doi: 10.48550/arxiv.1303.4623 · pith_short_12: CDIHTODYZDMS · pith_short_16: CDIHTODYZDMSGECT · pith_short_8: CDIHTODY

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/CDIHTODYZDMSGECTXBZTEXMAUU \
  | 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: 10d079b878c8d9231053b873325d80a52074f6e1abc75b2c33f3e19ef7ed664e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfdd77a0b72180de9313617b95979a6bc34d6a7de51e2467162dbac48f3fcf62",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-19T14:44:02Z",
    "title_canon_sha256": "11a692858e30eb8d332cdf17d05bafe09a1b4a9c407626c835ad8b8632448145"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4623",
    "kind": "arxiv",
    "version": 2
  }
}