Pith Number

pith:3LD7WXJH

pith:2016:3LD7WXJHEAJ36FWDJJKCN4OXYA

not attested not anchored not stored refs pending

On the Inference of the Cosmic Ray Ionization Rate $\zeta$ from the HCO$^+$-to-DCO$^+$ Abundance Ratio: The Effect of Nuclear Spin

Christopher N. Shingledecker, Eric Herbst, Jennifer B. Bergner, Karin I. Oberg, Romane Le Gal, Ugo Hincelin

arxiv:1609.04728 v1 · 2016-09-15 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3LD7WXJHEAJ36FWDJJKCN4OXYA}

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	2026-05-18T01:01:22.044053Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dac7fb5d272013bf16c34a5426f1d7c00170fe5a90d4e51ac739fa84f524d517

Aliases

arxiv: 1609.04728 · arxiv_version: 1609.04728v1 · doi: 10.48550/arxiv.1609.04728 · pith_short_12: 3LD7WXJHEAJ3 · pith_short_16: 3LD7WXJHEAJ36FWD · pith_short_8: 3LD7WXJH

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/3LD7WXJHEAJ36FWDJJKCN4OXYA \
  | 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: dac7fb5d272013bf16c34a5426f1d7c00170fe5a90d4e51ac739fa84f524d517

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40bb8188add63ded75bc99ce0360fc798f781b9dc4abe8a50fb375fead1393e5",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2016-09-15T16:37:53Z",
    "title_canon_sha256": "88a281957b1220c2c7fab56a497d04a0d24363d3575c945a950a35fb02c97817"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.04728",
    "kind": "arxiv",
    "version": 1
  }
}