Pith Number

pith:Y3BMFOA4

pith:2019:Y3BMFOA4AQLEZKCSN3QBW6EFTX

not attested not anchored not stored refs pending

A Consistent Reduced Network for HCN Chemistry in Early Earth and Titan Atmospheres: Quantum Calculations of Reaction Rate Coefficients

Ben K. D. Pearce, Paul W. Ayers, Ralph E. Pudritz

arxiv:1902.05574 v1 · 2019-02-14 · astro-ph.EP · physics.ao-ph · physics.chem-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Y3BMFOA4AQLEZKCSN3QBW6EFTX}

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	2026-05-17T23:51:41.723875Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c6c2c2b81c04164ca8526ee01b78859df26cf8156afb260fa0ac7b8ee167ddf5

Aliases

arxiv: 1902.05574 · arxiv_version: 1902.05574v1 · doi: 10.48550/arxiv.1902.05574 · pith_short_12: Y3BMFOA4AQLE · pith_short_16: Y3BMFOA4AQLEZKCS · pith_short_8: Y3BMFOA4

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/Y3BMFOA4AQLEZKCSN3QBW6EFTX \
  | 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: c6c2c2b81c04164ca8526ee01b78859df26cf8156afb260fa0ac7b8ee167ddf5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "408af4c3fb89adf132d76e3dd2bcbaf87a2c2183e8cc142a02711a2b8e3da390",
    "cross_cats_sorted": [
      "physics.ao-ph",
      "physics.chem-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2019-02-14T19:27:08Z",
    "title_canon_sha256": "27ed906381de5e43bc58ffbbcbad13cfea989cc7c21a36a6c247840604a0a93f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.05574",
    "kind": "arxiv",
    "version": 1
  }
}