Pith Number

pith:IPX2WA33

pith:2019:IPX2WA33FO62KPTQQMNETDFHWJ

not attested not anchored not stored refs pending

Thermal and Resonant Emission of Dark Ages Halos in the Rotational Lines of HeH$^{+}$

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

arxiv:1911.04832 v2 · 2019-11-12 · astro-ph.GA · 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{IPX2WA33FO62KPTQQMNETDFHWJ}

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	2026-07-05T00:57:12.082656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43efab037b2bbda53e70831a498ca7b26997c59a287e6ef2c91020f0af90bfa5

Aliases

arxiv: 1911.04832 · arxiv_version: 1911.04832v2 · doi: 10.48550/arxiv.1911.04832 · pith_short_12: IPX2WA33FO62 · pith_short_16: IPX2WA33FO62KPTQ · pith_short_8: IPX2WA33

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/IPX2WA33FO62KPTQQMNETDFHWJ \
  | 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: 43efab037b2bbda53e70831a498ca7b26997c59a287e6ef2c91020f0af90bfa5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "01e892ab1cfb7b61733d1dece67bfba2d21ee5056b4663b077be923e4c90d911",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-11-12T13:17:36Z",
    "title_canon_sha256": "aa50b0232f11f448a2a704e28aee088578a6fa570adec287f7615b186ad960f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1911.04832",
    "kind": "arxiv",
    "version": 2
  }
}