Pith Number

pith:SXIJWQWM

pith:2019:SXIJWQWMQDB4F2WJBAS6J5A5PV

not attested not anchored not stored refs pending

Formation of interstellar SH$^+$ from vibrationally excited H$_2$: Quantum study of S$^+$ + H$_2$ $\rightleftarrows$ SH$^+$ + H reactions and inelastic collisions

Alexandre Zanchet, Francois Lique, Javier R. Goicoechea, Niyazi Bulut, Octavio Roncero

arxiv:1905.02779 v1 · 2019-05-07 · astro-ph.GA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXIJWQWMQDB4F2WJBAS6J5A5PV}

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	2026-05-17T23:42:19.327060Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95d09b42cc80c3c2eac90825e4f41d7d573de2af54710ba129affa33c94cec69

Aliases

arxiv: 1905.02779 · arxiv_version: 1905.02779v1 · doi: 10.48550/arxiv.1905.02779 · pith_short_12: SXIJWQWMQDB4 · pith_short_16: SXIJWQWMQDB4F2WJ · pith_short_8: SXIJWQWM

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/SXIJWQWMQDB4F2WJBAS6J5A5PV \
  | 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: 95d09b42cc80c3c2eac90825e4f41d7d573de2af54710ba129affa33c94cec69

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9ddd025a6d741161c2d6d08328130d4bb2920cf61deeccd893112c22df79038a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-07T19:28:20Z",
    "title_canon_sha256": "c392ae482c61a69f71315d8a5c524713e25e832706de658401d38c3c30ef6435"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02779",
    "kind": "arxiv",
    "version": 1
  }
}