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Pith Number

pith:AQFAKYP6

pith:2013:AQFAKYP6GOIA3WD4KT6E2BWFRJ
not attested not anchored not stored refs pending

Non-thermal photons and H2 formation in the early Universe

Carla Maria Coppola, Daniele Galli, Francesco Palla, Jens Chluba, Savino Longo

arxiv:1306.1107 v1 · 2013-06-05 · astro-ph.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{AQFAKYP6GOIA3WD4KT6E2BWFRJ}

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

Receipt and verification
First computed 2026-05-18T03:18:19.864865Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

040a0561fe33900dd87c54fc4d06c58a67e1384ce1c17e06088aeb6fa2b7d235

Aliases

arxiv: 1306.1107 · arxiv_version: 1306.1107v1 · doi: 10.48550/arxiv.1306.1107 · pith_short_12: AQFAKYP6GOIA · pith_short_16: AQFAKYP6GOIA3WD4 · pith_short_8: AQFAKYP6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/AQFAKYP6GOIA3WD4KT6E2BWFRJ \
  | 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: 040a0561fe33900dd87c54fc4d06c58a67e1384ce1c17e06088aeb6fa2b7d235
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7547d5ffa91487398a5f37bda057f831f0d59601c456101407d872f6de4df705",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-06-05T14:01:56Z",
    "title_canon_sha256": "bc81ebabadd3a374b2ce5ad3218042267a7231ef4fc34aa49d4f5a6e544fa890"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1107",
    "kind": "arxiv",
    "version": 1
  }
}