Pith Number

pith:HUSV3ACP

pith:2021:HUSV3ACPAXA7XC6ARXJRCN4K6T

not attested not anchored not stored refs pending

21cm signal predictions at Cosmic Dawn and Reionization with coupled radiative-hydrodynamics

Dominique Aubert, Florent G. Mertens, Nicolas J. F. Gillet, Pierre Ocvirk

arxiv:2103.03061 v1 · 2021-03-04 · 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{HUSV3ACPAXA7XC6ARXJRCN4K6T}

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	2026-07-05T02:20:23.933740Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d255d804f05c1fb8bc08dd311378af4ea7e33d8428ee35e3f65d6032593faba

Aliases

arxiv: 2103.03061 · arxiv_version: 2103.03061v1 · doi: 10.48550/arxiv.2103.03061 · pith_short_12: HUSV3ACPAXA7 · pith_short_16: HUSV3ACPAXA7XC6A · pith_short_8: HUSV3ACP

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/HUSV3ACPAXA7XC6ARXJRCN4K6T \
  | 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: 3d255d804f05c1fb8bc08dd311378af4ea7e33d8428ee35e3f65d6032593faba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8235398d18b79b0ce12e909a62e9094616e89a5e691887be4cd9bc3b9a858c01",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2021-03-04T14:38:02Z",
    "title_canon_sha256": "8e5dfc91411325b9b2fed21dce4195463a1ea2e8f1891d472fc671f96e9fc431"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2103.03061",
    "kind": "arxiv",
    "version": 1
  }
}