pith. sign in
Pith Number

pith:PVFJBZYM

pith:2011:PVFJBZYMS47XIABCFAIP6VHIJY
not attested not anchored not stored refs pending

Refined physical properties of the HAT-P-13 planetary system

I. Bruni, J. Gregorio, John Southworth, L. Mancini

arxiv:1111.5432 v1 · 2011-11-23 · astro-ph.EP

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{PVFJBZYMS47XIABCFAIP6VHIJY}

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 2026-05-18T01:59:26.448799Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

7d4a90e70c973f7400222810ff54e84e2b08a6688a555406cf35abaf6ed1f5a9

Aliases

arxiv: 1111.5432 · arxiv_version: 1111.5432v1 · doi: 10.48550/arxiv.1111.5432 · pith_short_12: PVFJBZYMS47X · pith_short_16: PVFJBZYMS47XIABC · pith_short_8: PVFJBZYM
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/PVFJBZYMS47XIABCFAIP6VHIJY \
  | 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: 7d4a90e70c973f7400222810ff54e84e2b08a6688a555406cf35abaf6ed1f5a9
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "7cbd379092383626e66088adb5c2d4f745fb94c2f6084d1216175d4168cc8304",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2011-11-23T09:00:42Z",
    "title_canon_sha256": "d1adc8573b2cf8eaa9a7ffa23b50fa6ef3e4b37025814179c75beecade3f4dbf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5432",
    "kind": "arxiv",
    "version": 1
  }
}