Pith Number

pith:HNQECALI

pith:2025:HNQECALIYDM3T3EYQGW77SHQQY

not attested not anchored not stored refs pending

Very massive stars at low metallicity: evolution, synthetic spectroscopy, and impact on the integrated light of starbursts

(2) University of Geneva), A. Palacios (1), CNRS & University of Montpellier, D. Schaerer (2), F. Martins (1), R. Marques-Chaves (2) ((1) LUPM

arxiv:2505.02993 v1 · 2025-05-05 · astro-ph.SR · 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{HNQECALIYDM3T3EYQGW77SHQQY}

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

pySTARBURST99: The Next Generation of STARBURST99

Receipt and verification

First computed	2026-07-05T11:26:30.542179Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b60410168c0d9b9ec9881adffc8f0860e1ccd549c76603c23699bfc030b98f7

Aliases

arxiv: 2505.02993 · arxiv_version: 2505.02993v1 · doi: 10.48550/arxiv.2505.02993 · pith_short_12: HNQECALIYDM3 · pith_short_16: HNQECALIYDM3T3EY · pith_short_8: HNQECALI

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/HNQECALIYDM3T3EYQGW77SHQQY \
  | 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: 3b60410168c0d9b9ec9881adffc8f0860e1ccd549c76603c23699bfc030b98f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d6662a5ace6e9a442124d78c590d3abe277919e7d32b88fded6cdb12b738e88",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2025-05-05T19:46:39Z",
    "title_canon_sha256": "4264763a6e15d15548b2b10c4befb0593596b0b1dc4859c6276d24d283b5d11b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.02993",
    "kind": "arxiv",
    "version": 1
  }
}