Pith Number

pith:WD3EWFLQ

pith:2015:WD3EWFLQMLYZ3OPJICZHH4CE5C

not attested not anchored not stored refs pending

Variability in the super-Earth 55 Cnc e

Brice-Olivier Demory, Didier Queloz, Michael Gillon, Nikku Madhusudhan

arxiv:1505.00269 v2 · 2015-05-01 · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WD3EWFLQMLYZ3OPJICZHH4CE5C}

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	2026-05-18T01:26:25.331683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0f64b157062f19db9e940b273f044e8833bc94b649123a235950608e26671f7

Aliases

arxiv: 1505.00269 · arxiv_version: 1505.00269v2 · doi: 10.48550/arxiv.1505.00269 · pith_short_12: WD3EWFLQMLYZ · pith_short_16: WD3EWFLQMLYZ3OPJ · pith_short_8: WD3EWFLQ

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/WD3EWFLQMLYZ3OPJICZHH4CE5C \
  | 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: b0f64b157062f19db9e940b273f044e8833bc94b649123a235950608e26671f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fd25f293330e0c982f4f4b2ffcb418673ea3d65db2dbf38ba24add0ed00eb728",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2015-05-01T20:00:54Z",
    "title_canon_sha256": "4fedf024eb8a74053a7ac823e9bbfe784c1416ccb87a0ca350eb61909dbe3a2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.00269",
    "kind": "arxiv",
    "version": 2
  }
}