Pith Number

pith:ZHMHTRN3

pith:2019:ZHMHTRN32KE3YVO4PNGOH2AHPJ

not attested not anchored not stored refs pending

Hydrogen Molecules in the Dark Ages Halos: Thermal Emission vs. Resonant Scattering

B. Novosyadlyj, V. Shulga, W. Han, Yu. Kulinich

arxiv:1908.01746 v2 · 2019-08-05 · 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{ZHMHTRN32KE3YVO4PNGOH2AHPJ}

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	2026-07-05T03:54:53.369706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c9d879c5bbd289bc55dc7b4ce3e8077a406ee81f28d3fb2816b4e6f4e73927ec

Aliases

arxiv: 1908.01746 · arxiv_version: 1908.01746v2 · doi: 10.48550/arxiv.1908.01746 · pith_short_12: ZHMHTRN32KE3 · pith_short_16: ZHMHTRN32KE3YVO4 · pith_short_8: ZHMHTRN3

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/ZHMHTRN32KE3YVO4PNGOH2AHPJ \
  | 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: c9d879c5bbd289bc55dc7b4ce3e8077a406ee81f28d3fb2816b4e6f4e73927ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99d83eb33596379438f32f926e525d8f93a667a59551c8ea1e8febe6e6e73681",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2019-08-05T17:40:57Z",
    "title_canon_sha256": "7c0c58519405519412921342ae545d5f88051e15953c560cfa823bf9f375b2bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01746",
    "kind": "arxiv",
    "version": 2
  }
}