Pith Number

pith:WR6NPSPX

pith:2014:WR6NPSPX2PEHCPAEA5RK3FUIUC

not attested not anchored not stored refs pending

On the role of the H2 ortho:para ratio in gravitational collapse during star formation

Gilles Chabrier, Kengo Tomida, Neil Vaytet

arxiv:1401.4299 v1 · 2014-01-17 · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WR6NPSPX2PEHCPAEA5RK3FUIUC}

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	2026-05-18T01:45:19.722089Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b47cd7c9f7d3c8713c040762ad9688a0b336befa487925b4185db49fdf49123d

Aliases

arxiv: 1401.4299 · arxiv_version: 1401.4299v1 · doi: 10.48550/arxiv.1401.4299 · pith_short_12: WR6NPSPX2PEH · pith_short_16: WR6NPSPX2PEHCPAE · pith_short_8: WR6NPSPX

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/WR6NPSPX2PEHCPAEA5RK3FUIUC \
  | 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: b47cd7c9f7d3c8713c040762ad9688a0b336befa487925b4185db49fdf49123d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "555a61e29dd8865e621d3a72aafdfa416616d896eaf2238bbd7215beaef813ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-01-17T10:43:17Z",
    "title_canon_sha256": "bb1a039e394a87958f05b4d28d55e707a4192bef4e882bf7a479a927d9f054ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.4299",
    "kind": "arxiv",
    "version": 1
  }
}