Pith Number

pith:BZPKLCZE

pith:2016:BZPKLCZEZ5FE7CRVLRMXMA3W5Z

not attested not anchored not stored refs pending

The Cannon 2: A data-driven model of stellar spectra for detailed chemical abundance analyses

Andrew R. Casey, Anna Q Y Ho, David W. Hogg, Gerry Gilmore, Hans-Walter Rix, Melissa Ness

arxiv:1603.03040 v1 · 2016-03-09 · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BZPKLCZEZ5FE7CRVLRMXMA3W5Z}

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.

Cited by

1 paper in Pith

In Pursuit of Galactic Archaeology: Astro2020 Science White Paper

Receipt and verification

First computed	2026-05-18T01:19:19.128826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e5ea58b24cf4a4f8a355c59760376ee5663174748f255ebef30adc9fe6eb3ac

Aliases

arxiv: 1603.03040 · arxiv_version: 1603.03040v1 · doi: 10.48550/arxiv.1603.03040 · pith_short_12: BZPKLCZEZ5FE · pith_short_16: BZPKLCZEZ5FE7CRV · pith_short_8: BZPKLCZE

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/BZPKLCZEZ5FE7CRVLRMXMA3W5Z \
  | 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: 0e5ea58b24cf4a4f8a355c59760376ee5663174748f255ebef30adc9fe6eb3ac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bfced7c563ecfee6687d7abf3a9e43c582140f1b8ababc551c421de09f7d288b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2016-03-09T21:00:02Z",
    "title_canon_sha256": "1ff0d75009000ba48b0101f83d5cbc04942923d1c1066f6d45fc0ca99d600e8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03040",
    "kind": "arxiv",
    "version": 1
  }
}