Pith Number

pith:BBD4BK5Z

pith:2018:BBD4BK5ZGHLL6NHDCL72ICHFCV

not attested not anchored not stored refs pending

Understanding the orbital periods of CEMP-s stars

Carlo Abate, Onno R. Pols, Richard J. Stancliffe

arxiv:1809.10157 v1 · 2018-09-26 · 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{BBD4BK5ZGHLL6NHDCL72ICHFCV}

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	2026-05-17T23:59:04.899517Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0847c0abb931d6bf34e312ffa408e515757843920b183cfc51eae1345bd2034d

Aliases

arxiv: 1809.10157 · arxiv_version: 1809.10157v1 · doi: 10.48550/arxiv.1809.10157 · pith_short_12: BBD4BK5ZGHLL · pith_short_16: BBD4BK5ZGHLL6NHD · pith_short_8: BBD4BK5Z

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/BBD4BK5ZGHLL6NHDCL72ICHFCV \
  | 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: 0847c0abb931d6bf34e312ffa408e515757843920b183cfc51eae1345bd2034d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d677d540f1f1a6198ffe064039cafcc96a48a6d1a340d96baa2594c3905e0199",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2018-09-26T18:01:13Z",
    "title_canon_sha256": "943da3b40432beec07957c66ba1edca422625cb9967530637b0d8063ea412a27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.10157",
    "kind": "arxiv",
    "version": 1
  }
}