Pith Number

pith:EYRIHUCX

pith:2011:EYRIHUCXEKKSHS7DF4ESOSCRTV

not attested not anchored not stored refs pending

Discovery and Characterization of an Extremely Deep-Eclipsing Cataclysmic Variable: LSQ172554.8-643839

Charles Bailyn, Charles Baltay, David Rabinowitz, Gaston Folatelli, Paolo Coppi, Patricio Rojo, Sergio Hoyer, Suzanne Tourtellotte

arxiv:1103.0449 v2 · 2011-03-02 · 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{EYRIHUCXEKKSHS7DF4ESOSCRTV}

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	2026-05-18T02:03:00.994163Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

262283d057229523cbe32f092748519d724b6c42e2f82ff1150acf5a7b58ea5d

Aliases

arxiv: 1103.0449 · arxiv_version: 1103.0449v2 · doi: 10.48550/arxiv.1103.0449 · pith_short_12: EYRIHUCXEKKS · pith_short_16: EYRIHUCXEKKSHS7D · pith_short_8: EYRIHUCX

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/EYRIHUCXEKKSHS7DF4ESOSCRTV \
  | 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: 262283d057229523cbe32f092748519d724b6c42e2f82ff1150acf5a7b58ea5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59dffe926187033b40ecd3c5f9acb19618fd43b1fedf79411f63424631bd9c9e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-03-02T15:01:54Z",
    "title_canon_sha256": "2ee57bb3fb3d113b7e52e9a22cb5d50441b9371b0d4752344536194d66354c1a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0449",
    "kind": "arxiv",
    "version": 2
  }
}