Pith Number

pith:3JLWGLYL

pith:2015:3JLWGLYLAN3DR5JOAVWLZXGR3O

not attested not anchored not stored refs pending

Analytical Formulas of Molecular Ion Abundances and N2H+ Ring in Protoplanetary Disks

Chunhua Qi, Hideko Nomura, Kenji Furuya, Yuri Aikawa

arxiv:1505.07550 v1 · 2015-05-28 · 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{3JLWGLYLAN3DR5JOAVWLZXGR3O}

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	2026-05-18T01:36:53.264690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da57632f0b037638f52e056cbcdcd1dba9255828067885d9af109bde35f92a21

Aliases

arxiv: 1505.07550 · arxiv_version: 1505.07550v1 · doi: 10.48550/arxiv.1505.07550 · pith_short_12: 3JLWGLYLAN3D · pith_short_16: 3JLWGLYLAN3DR5JO · pith_short_8: 3JLWGLYL

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/3JLWGLYLAN3DR5JOAVWLZXGR3O \
  | 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: da57632f0b037638f52e056cbcdcd1dba9255828067885d9af109bde35f92a21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6d3dcc93561d9fc73f27f8bf1577070c98fa25db7850fd5b946832aa5bf3a404",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2015-05-28T05:15:17Z",
    "title_canon_sha256": "0aaa58c9629c8dc382594d88bee8a5c1758f09016777adca4b533aaef08c3596"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07550",
    "kind": "arxiv",
    "version": 1
  }
}