Pith Number

pith:DXN6CND5

pith:2026:DXN6CND55KCGFXRYLRUZOW5UF4

not attested not anchored not stored refs pending

How can we finally see the first light? Status and perspective in the search for Population III stars

Alessandra Venditti, Alessandro Trinca, Anatole Storck, Andrea Ferrara, Andrew J. Bunker, Chiaki Kobayashi, Corinne Charbonnel, Daniel Schaerer, Dirk Scholte, Erik Zackrisson, Eros Vanzella, Fabio Pacucci, Hakim Atek, Harley Katz, Josephine Baggen, Julian B. Mu\~noz, Karina Caputi, Laure Ciesla, Marco Castellano, Mauro Giavalisco, Pablo G. P\'erez-Gonz\'alez, Paola Santini, Pratika Dayal, Raffaella Schneider, Roberto Maiolino, Seiji Fujimoto, Stefania Salvadori, Volker Bromm, Yoshihisa Asada

arxiv:2607.00167 v1 · 2026-06-30 · 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{DXN6CND55KCGFXRYLRUZOW5UF4}

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	2026-07-02T00:18:37.636653Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ddbe1347dea8462de385c69975bb42f2dd53bfbf232e1c3a1ebaf611d96bf6d

Aliases

arxiv: 2607.00167 · arxiv_version: 2607.00167v1 · doi: 10.48550/arxiv.2607.00167 · pith_short_12: DXN6CND55KCG · pith_short_16: DXN6CND55KCGFXRY · pith_short_8: DXN6CND5

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/DXN6CND55KCGFXRYLRUZOW5UF4 \
  | 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: 1ddbe1347dea8462de385c69975bb42f2dd53bfbf232e1c3a1ebaf611d96bf6d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d3e25f22a5dd7d4bee9a7babc3b54de51392fa2ef5f42b5f01dc0c44dbdb9f6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2026-06-30T20:44:10Z",
    "title_canon_sha256": "256728107f1376edb832a5ad7e79d60dafdb05661535502c99dfa79cc80badf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.00167",
    "kind": "arxiv",
    "version": 1
  }
}