Pith Number

pith:ZL3JFMQQ

pith:2013:ZL3JFMQQSPZURQRJNX5Q3ARNJI

not attested not anchored not stored refs pending

Electrostatic activation of prebiotic chemistry in substellar atmospheres

Christiane Helling, Craig R. Stark, Declan A. Diver, Paul B. Rimmer

arxiv:1311.4408 v1 · 2013-11-18 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ZL3JFMQQSPZURQRJNX5Q3ARNJI}

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	2026-05-18T01:46:23.578593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

caf692b21093f348c2296dfb0d822d4a3e6748171d8fcc0db6d15477c093edf0

Aliases

arxiv: 1311.4408 · arxiv_version: 1311.4408v1 · doi: 10.48550/arxiv.1311.4408 · pith_short_12: ZL3JFMQQSPZU · pith_short_16: ZL3JFMQQSPZURQRJ · pith_short_8: ZL3JFMQQ

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/ZL3JFMQQSPZURQRJNX5Q3ARNJI \
  | 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: caf692b21093f348c2296dfb0d822d4a3e6748171d8fcc0db6d15477c093edf0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28aa4c51722d63d8ee98ce4178d3c3d14538815f9dd1e9239162578e37e51f9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-11-18T14:46:05Z",
    "title_canon_sha256": "996f8488f61ea2fa62df6c874ca0aa8cb110062881fc5d7df5ae07376e702353"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4408",
    "kind": "arxiv",
    "version": 1
  }
}