Pith Number

pith:XIVUQ2IW

pith:2018:XIVUQ2IWE2HDR72DCYBQALFWE4

not attested not anchored not stored refs pending

Constraining physical conditions for the PDR of Trumpler 14 in the Carina Nebula

2), 3), 5), CEA (5) Recruit Communications Co. Ltd (6) I. Physikalisches Institut der Universitat zu Koln), David Languignon (1), Emeric Bron (1, Franck Le Petit (1), Frederic Galliano (4), Instituto de Ciencia de Materiales de Madrid (4) IRFU, Observatoire de Paris (2) Department of Astronomy, Ronin Wu (1, Takashi Onaka (2), the University of Tokyo (3) Grupo de Astrofisica Molecular, Tomohiko Nakamura (2, Yoko Okada (6) ((1) LERMA

arxiv:1801.01643 v2 · 2018-01-05 · 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{XIVUQ2IWE2HDR72DCYBQALFWE4}

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	2026-05-18T00:03:08.888981Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba2b486916268e38ff431603002cb6270789924adc0d6f62bb5a58a38ddfd2f4

Aliases

arxiv: 1801.01643 · arxiv_version: 1801.01643v2 · doi: 10.48550/arxiv.1801.01643 · pith_short_12: XIVUQ2IWE2HD · pith_short_16: XIVUQ2IWE2HDR72D · pith_short_8: XIVUQ2IW

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/XIVUQ2IWE2HDR72DCYBQALFWE4 \
  | 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: ba2b486916268e38ff431603002cb6270789924adc0d6f62bb5a58a38ddfd2f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01a2e61c8f02d58749ec1a97e4bf1d835ca2a2790b09ead62d55aee30cd8a3ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-01-05T06:35:47Z",
    "title_canon_sha256": "01c86f3ad17bd4db616d1d6b2db71c091590eda97d66fcf6c78d1a33072fc60d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.01643",
    "kind": "arxiv",
    "version": 2
  }
}