Pith Number

pith:GRAKRQLK

pith:2014:GRAKRQLKJZICXRL2S74FYC7CLN

not attested not anchored not stored refs pending

On carbon and oxygen isotope ratios in starburst galaxies: New data from NGC253 and Mrk231 and their implications

A.L.R. Danielson, C. Henkel, C.M.V. Impellizzeri, H. Asiri, N. Harada, P.P. Papadopoulos, R. Aladro, R. Mauersberger, S. Aalto, S. Garcia-Burillo, S. Martin, Y. Ao

arxiv:1403.3974 v1 · 2014-03-17 · astro-ph.GA · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRAKRQLKJZICXRL2S74FYC7CLN}

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	2026-05-18T02:52:25.358352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3440a8c16a4e502bc57a97f85c0be25b6d509647b46fbcf6b75775d572b7cd06

Aliases

arxiv: 1403.3974 · arxiv_version: 1403.3974v1 · doi: 10.48550/arxiv.1403.3974 · pith_short_12: GRAKRQLKJZIC · pith_short_16: GRAKRQLKJZICXRL2 · pith_short_8: GRAKRQLK

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/GRAKRQLKJZICXRL2S74FYC7CLN \
  | 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: 3440a8c16a4e502bc57a97f85c0be25b6d509647b46fbcf6b75775d572b7cd06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14dc31b44b723d6db71890407925f574a295b23728157418b4d8c7e36334fda3",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2014-03-17T00:00:04Z",
    "title_canon_sha256": "4be2da7e0e126dc9e92aee7669e6f854360ffcad2ec9776f76e8c74af98d11e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.3974",
    "kind": "arxiv",
    "version": 1
  }
}