Pith Number

pith:QRCIWA5N

pith:2022:QRCIWA5N5QR65OVZRI4LTM7MR2

not attested not anchored not stored refs pending

Effects of stellar-mass primordial black holes on first star formation

Boyuan Liu, Saiyang Zhang, Volker Bromm

arxiv:2204.06330 v3 · 2022-04-13 · 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{QRCIWA5N5QR65OVZRI4LTM7MR2}

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

Primordial Black Holes and the First Stars

Receipt and verification

First computed	2026-07-05T04:29:57.808116Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

84448b03adec23eebab98a38b9b3ec8ea1c488a1458a07a3a0b342f092191675

Aliases

arxiv: 2204.06330 · arxiv_version: 2204.06330v3 · doi: 10.48550/arxiv.2204.06330 · pith_short_12: QRCIWA5N5QR6 · pith_short_16: QRCIWA5N5QR65OVZ · pith_short_8: QRCIWA5N

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/QRCIWA5N5QR65OVZRI4LTM7MR2 \
  | 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: 84448b03adec23eebab98a38b9b3ec8ea1c488a1458a07a3a0b342f092191675

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8bf481448e1b70df7398a41917da3e4f3f103b2d5729af7e8ca942c000fe62d4",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-04-13T12:19:00Z",
    "title_canon_sha256": "c12ca63847c54c2c0f2f297845593bd630bdef72bdea30180f4b209d59ca4360"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2204.06330",
    "kind": "arxiv",
    "version": 3
  }
}