Pith Number

pith:ZHIVWHP6

pith:2012:ZHIVWHP6QH6PNQKX3REBBKRXQZ

not attested not anchored not stored refs pending

Red Supergiant Stars as Cosmic Abundance Probes: NLTE Effects in J-band Iron and Titanium Lines

Ben Davies, Bertrand Plez, Karin Lind, Maria Bergemann, Rolf-Peter Kudritzki, Zach Gazak

arxiv:1204.0511 v1 · 2012-04-02 · astro-ph.SR · 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{ZHIVWHP6QH6PNQKX3REBBKRXQZ}

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	2026-05-18T01:57:57.951809Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d15b1dfe81fcf6c157dc4810aa37865d6856a0d2b7aa956fe3c6aa282eef38

Aliases

arxiv: 1204.0511 · arxiv_version: 1204.0511v1 · doi: 10.48550/arxiv.1204.0511 · pith_short_12: ZHIVWHP6QH6P · pith_short_16: ZHIVWHP6QH6PNQKX · pith_short_8: ZHIVWHP6

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/ZHIVWHP6QH6PNQKX3REBBKRXQZ \
  | 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: c9d15b1dfe81fcf6c157dc4810aa37865d6856a0d2b7aa956fe3c6aa282eef38

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50ee2be8e7fd36394292bdd6e5b93699f202fed9ac2b7be25e1e2b6f4e61dccb",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2012-04-02T19:59:43Z",
    "title_canon_sha256": "372f8a26e05b7eda1bb5e92624bfda350123dc26c94a75995c5c4e64c6050163"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0511",
    "kind": "arxiv",
    "version": 1
  }
}