Pith Number

pith:F6KBE4CW

pith:2018:F6KBE4CWF3OCZOZBF4WFFRX5D6

not attested not anchored not stored refs pending

The Araucaria Project: High-precision Cepheid astrophysics from the analysis of variables in double-lined eclipsing binaries

Alexandre Gallenne, Andrzej Udalski, Bart{\l}omiej Zgirski, Bogumi{\l} Pilecki, Dariusz Graczyk, Grzegorz Pietrzy\'nski, Ian B. Thompson, Igor Soszy\'nski, Jesper Storm, Ksenia Suchomska, Marek G\'orski, M\'onica Taormina, Nicolas Nardetto, Paulina Karczmarek, Pierre Kervella, Piotr Wielg\'orski, Rados{\l}aw Smolec, Wolfgang Gieren

arxiv:1806.01391 v2 · 2018-06-04 · 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{F6KBE4CWF3OCZOZBF4WFFRX5D6}

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	2026-05-18T00:10:10.095099Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f941270562edc2cbb212f2c52c6fd1fa4771dbe80bcedfbf7c3f829e2800206

Aliases

arxiv: 1806.01391 · arxiv_version: 1806.01391v2 · doi: 10.48550/arxiv.1806.01391 · pith_short_12: F6KBE4CWF3OC · pith_short_16: F6KBE4CWF3OCZOZB · pith_short_8: F6KBE4CW

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/F6KBE4CWF3OCZOZBF4WFFRX5D6 \
  | 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: 2f941270562edc2cbb212f2c52c6fd1fa4771dbe80bcedfbf7c3f829e2800206

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3c4385e53ce9c7985bd370f1ad33a44eb528b47c6ee35d0a20048c996bb52f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-06-04T21:09:31Z",
    "title_canon_sha256": "f1f4a41d7fb80b517132c0c9c6ece5dc45180b831dcdec93cfdf6cb3d5f0e418"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.01391",
    "kind": "arxiv",
    "version": 2
  }
}