Pith Number

pith:3Q6T3Y2Z

pith:2025:3Q6T3Y2ZP4TFVCCJGG5LMULDSC

not attested not anchored not stored refs pending

The Emergence and Ionizing Feedback of Pop III.1 Stars as Progenitors for Supermassive Black Holes

Adrianne Slyz, Benjamin Keller, Jasbir Singh, Jonathan C. Tan, Julien Devriendt, Mahsa Sanati, Matteo la Torre, Matthew Hayes, Maya A. Petkova, Pierluigi Monaco, Sergio Martin-Alvarez, Vieri Cammelli

arxiv:2507.23004 v1 · 2025-07-30 · 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{3Q6T3Y2ZP4TFVCCJGG5LMULDSC}

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	2026-07-05T11:46:03.554351Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc3d3de3597f265a884931bab651639095ed93b42e7e21befa21f43a8ae01da0

Aliases

arxiv: 2507.23004 · arxiv_version: 2507.23004v1 · doi: 10.48550/arxiv.2507.23004 · pith_short_12: 3Q6T3Y2ZP4TF · pith_short_16: 3Q6T3Y2ZP4TFVCCJ · pith_short_8: 3Q6T3Y2Z

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/3Q6T3Y2ZP4TFVCCJGG5LMULDSC \
  | 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: dc3d3de3597f265a884931bab651639095ed93b42e7e21befa21f43a8ae01da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49dc4c57ee0c7ebeae26b071817ff41cbe8591abc544e9a145441e2c383afdf4",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-07-30T18:09:22Z",
    "title_canon_sha256": "3794bb43f1f6ff23ab0fd89ddf678e912a1cdd28eda20101a0318451b36af458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.23004",
    "kind": "arxiv",
    "version": 1
  }
}