Pith Number

pith:JC6TQFRD

pith:2020:JC6TQFRDOMBHPQFCNZVVXI27C6

not attested not anchored not stored refs pending

Physical and chemical modeling of the starless core L1512

Charl\`ene Lef\`evre, Fran\c{c}ois Lique, Laurent Pagani, Sheng-Jun Lin, Shih-Ping Lai

arxiv:2002.01346 v2 · 2020-02-04 · 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{JC6TQFRDOMBHPQFCNZVVXI27C6}

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	2026-07-05T00:53:45.169630Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

48bd381623730277c0a26e6b5ba35f17837d0d01c64e803d222a22c986534507

Aliases

arxiv: 2002.01346 · arxiv_version: 2002.01346v2 · doi: 10.48550/arxiv.2002.01346 · pith_short_12: JC6TQFRDOMBH · pith_short_16: JC6TQFRDOMBHPQFC · pith_short_8: JC6TQFRD

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/JC6TQFRDOMBHPQFCNZVVXI27C6 \
  | 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: 48bd381623730277c0a26e6b5ba35f17837d0d01c64e803d222a22c986534507

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b13878ac0eb41559b6057de2574cdf24934af606cafa5a81353ef044633b0d6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-02-04T15:03:24Z",
    "title_canon_sha256": "46fc865b4dfd088d3d1a1022de8886d014843112d2c2a3d39ba6d027f46c085b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2002.01346",
    "kind": "arxiv",
    "version": 2
  }
}