Pith Number

pith:LTESFUF4

pith:2021:LTESFUF4WPWKVS4IN5YGJGZ3RV

not attested not anchored not stored refs pending

Eclipse timing variations in the WD+dM eclipsing binary RR Cae

A. Phriksee, D.E. Reichart, J.B. Haislip, N. A-thano, P. Rittipruk, P. Sappankum, R. Rattanamala, S. Awiphan, S. Chitchak, S. Komonjinda, S. Poshyachinda, U. Sawangwit

arxiv:2109.09397 v2 · 2021-09-20 · astro-ph.EP · 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{LTESFUF4WPWKVS4IN5YGJGZ3RV}

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	2026-07-05T06:18:34.765396Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5cc922d0bcb3ecaacb886f70649b3b8d7a4ab50a9ff785982e160a8a3a5c0c89

Aliases

arxiv: 2109.09397 · arxiv_version: 2109.09397v2 · doi: 10.48550/arxiv.2109.09397 · pith_short_12: LTESFUF4WPWK · pith_short_16: LTESFUF4WPWKVS4I · pith_short_8: LTESFUF4

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/LTESFUF4WPWKVS4IN5YGJGZ3RV \
  | 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: 5cc922d0bcb3ecaacb886f70649b3b8d7a4ab50a9ff785982e160a8a3a5c0c89

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d2be8503b871a91a54b527a6880bf4080556b2b9dc5d35483db8de49783acb",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2021-09-20T09:49:44Z",
    "title_canon_sha256": "cd670d04a425e1793ddd24b92121e00e9b8a279cd0c48e42d1366d6f09bf7245"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.09397",
    "kind": "arxiv",
    "version": 2
  }
}