Pith Number

pith:YTCPJTA5

pith:2015:YTCPJTA5CLFYPPQRLB2RLIJ7B2

not attested not anchored not stored refs pending

Red Supergiants as Cosmic Abundance Probes: The Magellanic Clouds

Ben Davies (Liverpool JMU), Bertrand Plez (UMontpellier), Chris Evans (UKATC), Lee Patrick (UEdinburgh), Maria Bergemann (MPIA), Rolf-Peter Kudritzki (UHawaii), Zach Gazak (UHawaii)

arxiv:1504.03694 v1 · 2015-04-14 · astro-ph.GA · 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{YTCPJTA5CLFYPPQRLB2RLIJ7B2}

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	2026-05-18T01:55:32.096872Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c4c4f4cc1d12cb87be11587515a13f0ebf0ebc653defb6704d01129282f7f003

Aliases

arxiv: 1504.03694 · arxiv_version: 1504.03694v1 · doi: 10.48550/arxiv.1504.03694 · pith_short_12: YTCPJTA5CLFY · pith_short_16: YTCPJTA5CLFYPPQR · pith_short_8: YTCPJTA5

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/YTCPJTA5CLFYPPQRLB2RLIJ7B2 \
  | 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: c4c4f4cc1d12cb87be11587515a13f0ebf0ebc653defb6704d01129282f7f003

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df671720f1181e50a49b013eeebfb58d9e68998b50124bb96ec8fe40d105826a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-04-14T20:01:23Z",
    "title_canon_sha256": "8c9e58d7db8b80146bd0194beda9a266bf459d0cc9e5c14dcfadd7cc286f9058"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.03694",
    "kind": "arxiv",
    "version": 1
  }
}