Pith Number

pith:BT2FQAWI

pith:2022:BT2FQAWIGWBFPI2RTOTUIPQZ66

not attested not anchored not stored refs pending

The Challenges of Identifying Population III Stars in the Early Universe

Adrianne Slyz, Harley Katz, Julien Devriendt, Richard S. Ellis, Taysun Kimm

arxiv:2207.04751 v1 · 2022-07-11 · astro-ph.GA · astro-ph.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BT2FQAWIGWBFPI2RTOTUIPQZ66}

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

Gravitational Waves from the Cosmic Dawn: Tracing Cosmic Black Hole Binaries with ET, LGWA and LISA

Receipt and verification

First computed	2026-07-05T06:27:14.820498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0cf45802c8358257a3519ba7443e19f79cc32b168cf85e6701b0cd3bfd104ad0

Aliases

arxiv: 2207.04751 · arxiv_version: 2207.04751v1 · doi: 10.48550/arxiv.2207.04751 · pith_short_12: BT2FQAWIGWBF · pith_short_16: BT2FQAWIGWBFPI2R · pith_short_8: BT2FQAWI

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/BT2FQAWIGWBFPI2RTOTUIPQZ66 \
  | 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: 0cf45802c8358257a3519ba7443e19f79cc32b168cf85e6701b0cd3bfd104ad0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28fce27b025ba574a457368fc2eafac2477ba5886b33524502df33a04e4fbc2e",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-07-11T10:28:47Z",
    "title_canon_sha256": "73872bf62be400ec8db8a950ee46b2860b23645d5ecd7915ba86d0cce6dbebda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.04751",
    "kind": "arxiv",
    "version": 1
  }
}