Pith Number

pith:EEMMW5AA

pith:2021:EEMMW5AA3TW27FZLHHPC3X6NSY

not attested not anchored not stored refs pending

Inferring the Thermal History of the Intergalactic Medium from the Properties of the Hydrogen and Helium Lyman-alpha Forest

Brant Robertson, Bruno Villasenor, Evan Schneider, Piero Madau

arxiv:2111.00019 v3 · 2021-10-29 · astro-ph.CO

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Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EEMMW5AA3TW27FZLHHPC3X6NSY}

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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

2 papers in Pith

Lyman-Alpha Forest and its Cross-Correlation with High-Redshift Galaxies in Effective Field Theory at the Field Level

Machine Learning Techniques for Astrophysics and Cosmology: Lyman-$\alpha$ forest

Receipt and verification

First computed	2026-07-05T04:41:26.616480Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2118cb7400dcedaf972b39de2ddfcd962cdc4d09ef08723d7325fa941cc0966e

Aliases

arxiv: 2111.00019 · arxiv_version: 2111.00019v3 · doi: 10.48550/arxiv.2111.00019 · pith_short_12: EEMMW5AA3TW2 · pith_short_16: EEMMW5AA3TW27FZL · pith_short_8: EEMMW5AA

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/EEMMW5AA3TW27FZLHHPC3X6NSY \
  | 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: 2118cb7400dcedaf972b39de2ddfcd962cdc4d09ef08723d7325fa941cc0966e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18384c880df7698d012cf7396f5ad12312fa0ac37847c31e11ae31b54c7ed5c3",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-10-29T18:00:02Z",
    "title_canon_sha256": "f378d03b9e74e612545eacc8159676dbb0b001da16b25433ff0b4971d808ef99"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2111.00019",
    "kind": "arxiv",
    "version": 3
  }
}