Pith Number

pith:PD5FPJEA

pith:2018:PD5FPJEAKFLD5W7CH3O3KN6PCM

not attested not anchored not stored refs pending

Constraints on the Cosmic-Ray Ionization Rate in the $z\sim2.3$ Lensed Galaxies SMM J2135$-$0102 and SDP 17b from Observations of OH$^+$ and H$_2$O$^+$

B. Godard, D. A. Neufeld, E. A. Bergin, E. Falgarone, M. A. Zwaan, M. G. Wolfire, Nick Indriolo

arxiv:1808.04852 v1 · 2018-08-14 · 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{PD5FPJEAKFLD5W7CH3O3KN6PCM}

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	2026-05-18T00:04:29.406196Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78fa57a48051563edbe23eddb537cf132cafbcb917e89b85db621fbc3d2fc892

Aliases

arxiv: 1808.04852 · arxiv_version: 1808.04852v1 · doi: 10.48550/arxiv.1808.04852 · pith_short_12: PD5FPJEAKFLD · pith_short_16: PD5FPJEAKFLD5W7C · pith_short_8: PD5FPJEA

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/PD5FPJEAKFLD5W7CH3O3KN6PCM \
  | 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: 78fa57a48051563edbe23eddb537cf132cafbcb917e89b85db621fbc3d2fc892

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f47b91a9e335ddb65cdb89dc71ce82bfde96385f6e8acf6be53716fd63cb48b6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2018-08-14T18:41:32Z",
    "title_canon_sha256": "38484fb954446c098d822228b699746d9695691ddee6dcd3b390c6c0501d99ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.04852",
    "kind": "arxiv",
    "version": 1
  }
}