Pith Number

pith:FD4AA2BC

pith:2021:FD4AA2BCK5TIHJ5VB3OTGUW5HI

not attested not anchored not stored refs pending

Effect of the cosmological transition to metal-enriched star-formation on the hydrogen 21-cm signal

Anastasia Fialkov, Anna T.P. Schauer, Itamar Reis, Li-Hsin Chen, Mattis Magg, Ralf S. Klessen, Rennan Barkana, Simon C. O. Glover, Tilman Hartwig

arxiv:2110.15948 v1 · 2021-10-29 · astro-ph.CO · 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{FD4AA2BCK5TIHJ5VB3OTGUW5HI}

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

Starbursts at Cosmic Dawn: Formation of Globular Clusters, Ultra-Faint Dwarfs, and Population III star clusters at z > 6

Receipt and verification

First computed	2026-07-05T04:33:25.399333Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

28f8006822576683a7b50edd3352dd3a23547d0f78f29394dcfa14eb7a4e7469

Aliases

arxiv: 2110.15948 · arxiv_version: 2110.15948v1 · doi: 10.48550/arxiv.2110.15948 · pith_short_12: FD4AA2BCK5TI · pith_short_16: FD4AA2BCK5TIHJ5V · pith_short_8: FD4AA2BC

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/FD4AA2BCK5TIHJ5VB3OTGUW5HI \
  | 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: 28f8006822576683a7b50edd3352dd3a23547d0f78f29394dcfa14eb7a4e7469

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "78f7ce0bb19b005316947c3cf4932f602ae83916d305ffdc3dcfe3a7e0bb717e",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-10-29T17:50:41Z",
    "title_canon_sha256": "8fd847eb8c66330e0ae8c6ccd09f348571dfdb3dc3aadae2e2eb91ccf31464a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2110.15948",
    "kind": "arxiv",
    "version": 1
  }
}