Pith Number

pith:CEHGGZNY

pith:2012:CEHGGZNYBRQWG3MVCVG2Y5GURD

not attested not anchored not stored refs pending

The Chemistry of Interstellar OH+, H2O+, and H3O+: Inferring the Cosmic Ray Ionization Rates from Observations of Molecular Ions

David Hollenbach, D. Neufeld, J. R. Goicoechea, M. J. Kaufman, M. Wolfire

arxiv:1205.6446 v1 · 2012-05-29 · 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{CEHGGZNYBRQWG3MVCVG2Y5GURD}

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	2026-05-18T01:57:15.968807Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

110e6365b80c61636d95154dac74d488e6334c9af26c724f6037f06c77271f27

Aliases

arxiv: 1205.6446 · arxiv_version: 1205.6446v1 · doi: 10.48550/arxiv.1205.6446 · pith_short_12: CEHGGZNYBRQW · pith_short_16: CEHGGZNYBRQWG3MV · pith_short_8: CEHGGZNY

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/CEHGGZNYBRQWG3MVCVG2Y5GURD \
  | 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: 110e6365b80c61636d95154dac74d488e6334c9af26c724f6037f06c77271f27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ff2c5f3280f4e659562098f6f0acd69fa4a082c80ebf68f7dcabac516b4906e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2012-05-29T18:40:57Z",
    "title_canon_sha256": "25e3c3508603a3ab935e99e70dabf37b7e85055e3d594f17cf2c99296b14ab28"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.6446",
    "kind": "arxiv",
    "version": 1
  }
}