Pith Number

pith:RP4U7XNF

pith:2013:RP4U7XNFEMBWAA3ZKCBXYC2N47

not attested not anchored not stored refs pending

EXOTIME: searching for planets and measuring Pdot in sdB pulsators

Roberto Silvotti, Ronny Lutz, Sonja Schuh

arxiv:1301.2048 v1 · 2013-01-10 · 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{RP4U7XNFEMBWAA3ZKCBXYC2N47}

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	2026-05-18T03:36:47.563706Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8bf94fdda5230360037950837c0b4de7ce80e4d841359c8af39d667c6f99f5a3

Aliases

arxiv: 1301.2048 · arxiv_version: 1301.2048v1 · doi: 10.48550/arxiv.1301.2048 · pith_short_12: RP4U7XNFEMBW · pith_short_16: RP4U7XNFEMBWAA3Z · pith_short_8: RP4U7XNF

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/RP4U7XNFEMBWAA3ZKCBXYC2N47 \
  | 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: 8bf94fdda5230360037950837c0b4de7ce80e4d841359c8af39d667c6f99f5a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e5efcad336397079c3e4aafecb61ce42e28c9bd3d32ca10a210ca2c239f93061",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2013-01-10T08:22:01Z",
    "title_canon_sha256": "97910d399e52801fda97fc01623e311596aa47747ab577b64eee7423cd10264c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.2048",
    "kind": "arxiv",
    "version": 1
  }
}