Pith Number

pith:SM5ZBVIC

pith:2020:SM5ZBVIC5QPA7ZZQINEK5I4TYJ

not attested not anchored not stored refs pending

Sensitivity of gas-grain chemical models to surface reaction barriers: Effect from a key carbon-insertion reaction, C + H$_2$ $\rightarrow$ CH$_2$

Cornelia J\"ager, Dmitry Semenov, Matja\v{z} Simon\v{c}i\v{c}, Serge Krasnokutski, Thomas Henning

arxiv:2003.14129 v1 · 2020-03-31 · astro-ph.GA · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SM5ZBVIC5QPA7ZZQINEK5I4TYJ}

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	2026-07-05T01:04:20.579690Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

933b90d502ec1e0fe7304348aea393c261130341d7c2c088882116bcd90bc481

Aliases

arxiv: 2003.14129 · arxiv_version: 2003.14129v1 · doi: 10.48550/arxiv.2003.14129 · pith_short_12: SM5ZBVIC5QPA · pith_short_16: SM5ZBVIC5QPA7ZZQ · pith_short_8: SM5ZBVIC

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/SM5ZBVIC5QPA7ZZQINEK5I4TYJ \
  | 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: 933b90d502ec1e0fe7304348aea393c261130341d7c2c088882116bcd90bc481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1389d4ff3bd9d0e70123ddba959f3079ff2119acd52523ad4a4ee41855ef0423",
    "cross_cats_sorted": [
      "astro-ph.IM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-03-31T12:05:40Z",
    "title_canon_sha256": "63fbdf8dfa3735d028ac87a9efc9386c329b67ad2e3cf2523fbbfd53430c911e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.14129",
    "kind": "arxiv",
    "version": 1
  }
}