Pith Number

pith:4F7ETP46

pith:2024:4F7ETP46UK3DJHS5OHHJFCQUTD

not attested not anchored not stored refs pending

Evidence of Pop~III stars' chemical signature in neutral gas at z~6. A study based on the E-XQR-30 spectroscopic sample

Alessio Sodini, Alma Maria Sebastian, Andrea Ferrara, Eduardo Ba\~nados, Emanuele Paolo Farina, Emma Ryan-Weber, Fabian Walter, Frederick Davies, George D. Becker, Girish Kulkarni, Guido Cupani, Irene Vanni, Laura Keating, Manuela Bischetti, Rebecca Davies, Samuel Lai, Sarah Bosman, Stefania Salvadori, Valentina D'Odorico

arxiv:2404.10722 v2 · 2024-04-16 · 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{4F7ETP46UK3DJHS5OHHJFCQUTD}

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	2026-07-05T08:50:11.270682Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e17e49bf9ea2b6349e5d71ce928a1498e3c274e9c28eb09858b7bd789743a8ea

Aliases

arxiv: 2404.10722 · arxiv_version: 2404.10722v2 · doi: 10.48550/arxiv.2404.10722 · pith_short_12: 4F7ETP46UK3D · pith_short_16: 4F7ETP46UK3DJHS5 · pith_short_8: 4F7ETP46

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/4F7ETP46UK3DJHS5OHHJFCQUTD \
  | 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: e17e49bf9ea2b6349e5d71ce928a1498e3c274e9c28eb09858b7bd789743a8ea

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "603f49841a27e15a67426c84068f78161664f608e33304f4fd012511f7d9c283",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-04-16T16:54:20Z",
    "title_canon_sha256": "79542d151be8c816921c2aca24a74b894aee96e19aa1baa1622b6e58fdf43f29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2404.10722",
    "kind": "arxiv",
    "version": 2
  }
}