Pith Number

pith:AATA2JPW

pith:2025:AATA2JPW5PGDW7H5XI75GSPTC6

not attested not anchored not stored refs pending

Metal-polluted Population III galaxies and How to Find Them

Alessandro Marconi, Daniel Schaerer, Elka Rusta, Ioanna Koutsouridou, Stefania Salvadori, Stefano Carniani, Viola Gelli

arxiv:2506.17400 v2 · 2025-06-20 · 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{AATA2JPW5PGDW7H5XI75GSPTC6}

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	2026-07-05T11:53:47.986627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

00260d25f6ebcc3b7cfdba3fd349f3179e3b7cb791491d514663d3d2b6627a75

Aliases

arxiv: 2506.17400 · arxiv_version: 2506.17400v2 · doi: 10.48550/arxiv.2506.17400 · pith_short_12: AATA2JPW5PGD · pith_short_16: AATA2JPW5PGDW7H5 · pith_short_8: AATA2JPW

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/AATA2JPW5PGDW7H5XI75GSPTC6 \
  | 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: 00260d25f6ebcc3b7cfdba3fd349f3179e3b7cb791491d514663d3d2b6627a75

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eface270cac065049036f7e2c043253a8d6a619fc2d21deaf3d30c51f1dc53f2",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-06-20T18:03:15Z",
    "title_canon_sha256": "801175eb59fbc268a0b2dab9d4c3d8e07d1c2cd1214ef218e6855dde1cae40c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17400",
    "kind": "arxiv",
    "version": 2
  }
}