Pith Number

pith:G6X7SHC6

pith:2021:G6X7SHC6SQ6FW5YMSAUCEOJZUP

not attested not anchored not stored refs pending

Impact of gas spin and Lyman-Werner flux on black hole seed formation in cosmological simulations: implications for direct collapse

Aklant K. Bhowmick, Dylan Nelson, Lars Hernquist, Laura Blecha, Luke Zoltan Kelley, Mark Vogelsberger, Paul Torrey, Rainer Weinberger

arxiv:2107.06899 v2 · 2021-07-14 · 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{G6X7SHC6SQ6FW5YMSAUCEOJZUP}

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	2026-07-05T03:38:23.883661Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

37aff91c5e943c5b770c9028223939a3e169651ca7870cd48701b687d407c5a1

Aliases

arxiv: 2107.06899 · arxiv_version: 2107.06899v2 · doi: 10.48550/arxiv.2107.06899 · pith_short_12: G6X7SHC6SQ6F · pith_short_16: G6X7SHC6SQ6FW5YM · pith_short_8: G6X7SHC6

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/G6X7SHC6SQ6FW5YMSAUCEOJZUP \
  | 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: 37aff91c5e943c5b770c9028223939a3e169651ca7870cd48701b687d407c5a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef45099f3c25c4482230db1a4fe98b793417005796771e3df87e699f3c817f7a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-07-14T18:00:02Z",
    "title_canon_sha256": "4de68fcb2b0d9dc4a90ddee15fcf0bbea7bc022a482da16f01d7b053a033f3bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.06899",
    "kind": "arxiv",
    "version": 2
  }
}