Pith Number

pith:XLDAJF6M

pith:2014:XLDAJF6M6X6LVGDX2MBMSKQVPH

not attested not anchored not stored refs pending

Tracking the Stellar Longitudes of Starspots in Short-Period Kepler Binaries

Alan M. Levine, Bhaskaran Balaji, Bryce Croll, Saul Rappaport

arxiv:1412.8101 v2 · 2014-12-28 · 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{XLDAJF6M6X6LVGDX2MBMSKQVPH}

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	2026-05-18T01:41:15.542341Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bac60497ccf5fcba9877d302c92a1579c505b4536958cd14362752dc39517d35

Aliases

arxiv: 1412.8101 · arxiv_version: 1412.8101v2 · doi: 10.48550/arxiv.1412.8101 · pith_short_12: XLDAJF6M6X6L · pith_short_16: XLDAJF6M6X6LVGDX · pith_short_8: XLDAJF6M

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/XLDAJF6M6X6LVGDX2MBMSKQVPH \
  | 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: bac60497ccf5fcba9877d302c92a1579c505b4536958cd14362752dc39517d35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79d90448dd6749308058221cd66f84af185007361bfd5df946ed61b7ba23a5ad",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2014-12-28T03:42:23Z",
    "title_canon_sha256": "d09de870afbb82d4b5e8e09a72b0eba0ffa56697b96ff8dd389b3ac0884db05c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.8101",
    "kind": "arxiv",
    "version": 2
  }
}