pith. sign in
Pith Number

pith:TUZPNUSQ

pith:2013:TUZPNUSQZ7FHDDQ23I4XNTM4KZ
not attested not anchored not stored refs pending

Constraints on single-field inflation with WMAP, SPT and ACT data -- A last-minute stand before Planck

Cheng cheng, Qing-Guo Huang, Yin-Zhe Ma

arxiv:1303.4497 v2 · 2013-03-19 · astro-ph.CO · gr-qc · hep-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TUZPNUSQZ7FHDDQ23I4XNTM4KZ}

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 2026-05-18T01:51:00.925958Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9d32f6d250cfca718e1ada3976cd9c56415da2544eebfb9168155c5677094d31

Aliases

arxiv: 1303.4497 · arxiv_version: 1303.4497v2 · doi: 10.48550/arxiv.1303.4497 · pith_short_12: TUZPNUSQZ7FH · pith_short_16: TUZPNUSQZ7FHDDQ2 · pith_short_8: TUZPNUSQ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TUZPNUSQZ7FHDDQ23I4XNTM4KZ \
  | 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: 9d32f6d250cfca718e1ada3976cd9c56415da2544eebfb9168155c5677094d31
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "326dd863eab82f487747a2fee36977d0ef16e8108fbe654439d37d230452cf77",
    "cross_cats_sorted": [
      "gr-qc",
      "hep-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-03-19T06:58:13Z",
    "title_canon_sha256": "e981a6ed91127103c5d1d7c3117132610c040032ef759c2bc54ec9dd3499f401"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4497",
    "kind": "arxiv",
    "version": 2
  }
}