Pith Number

pith:C3SSX6GE

pith:2011:C3SSX6GEGAYOYQZJFGOMIWOREV

not attested not anchored not stored refs pending

Calibrating the Cepheid Period-Luminosity relation from the infrared surface brightness technique II. The effect of metallicity, and the distance to the LMC

(2) Universidad de Concepcion, (3) IRAP Toulouse, (4) University of Texas at Austin, 5), (5) Warsaw University Observatory, 6), (6) Laboratoire Fizeau, (7) Observatoire de Geneve), D. Queloz (7) ((1) Leibniz Institute for Astrophysics Potsdam (AIP), G. Pietrzynski (2, I. Soszynski (5), J. Storm (1), Nice, N. Nardetto (2, P. Fouque (3), T.G. Barnes (4), W. Gieren (2)

arxiv:1109.2016 v1 · 2011-09-09 · astro-ph.CO · astro-ph.SR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C3SSX6GEGAYOYQZJFGOMIWOREV}

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	2026-05-18T02:00:37.209657Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16e52bf8c43030ec4329299cc459d1257407fdf9118fdd566a41477013f97cfa

Aliases

arxiv: 1109.2016 · arxiv_version: 1109.2016v1 · doi: 10.48550/arxiv.1109.2016 · pith_short_12: C3SSX6GEGAYO · pith_short_16: C3SSX6GEGAYOYQZJ · pith_short_8: C3SSX6GE

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/C3SSX6GEGAYOYQZJFGOMIWOREV \
  | 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: 16e52bf8c43030ec4329299cc459d1257407fdf9118fdd566a41477013f97cfa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69c5a88a8c1dc480b8d46e58af7105466e692e1941206e1b651c671f2f87b00a",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-09T14:05:24Z",
    "title_canon_sha256": "5a7bd1523e4f807c8c76e1811d43b6c0a9a036ce47fd1c19e6439fa716eeecdc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2016",
    "kind": "arxiv",
    "version": 1
  }
}