Pith Number

pith:D7MPI6W4

pith:2015:D7MPI6W4AUJOJAOWYW47CP46HZ

not attested not anchored not stored refs pending

CHAOS II: Gas-Phase Abundances in NGC 5194

Danielle Berg, Evan D. Skillman, John Moustakas, Kevin V. Croxall, Richard W. Pogge

arxiv:1501.02272 v1 · 2015-01-09 · 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{D7MPI6W4AUJOJAOWYW47CP46HZ}

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	2026-05-18T01:35:49.422011Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1fd8f47adc0512e481d6c5b9f13f9e3e56847afdbff7cb6876f20667367de488

Aliases

arxiv: 1501.02272 · arxiv_version: 1501.02272v1 · doi: 10.48550/arxiv.1501.02272 · pith_short_12: D7MPI6W4AUJO · pith_short_16: D7MPI6W4AUJOJAOW · pith_short_8: D7MPI6W4

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/D7MPI6W4AUJOJAOWYW47CP46HZ \
  | 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: 1fd8f47adc0512e481d6c5b9f13f9e3e56847afdbff7cb6876f20667367de488

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66168b85a5c3ed2488ad8efd55e3e451c16a7d87f51ae27b0e3e65b4f8253bab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-01-09T21:00:13Z",
    "title_canon_sha256": "028e1766c017445426131403fc9ba77318c3db994cf9d1cfc8af283d944145c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.02272",
    "kind": "arxiv",
    "version": 1
  }
}