Pith Number

pith:CNB74Z5L

pith:2008:CNB74Z5LPECGVRDLAKU2XIU4EH

not attested not anchored not stored refs pending

Discovery of non-radial pulsations in the spectroscopic binary Herbig Ae star RS Cha

C. Catala, D. Wright, E. Alecian, K. Pollard, T. B\"ohm, W. Zima

arxiv:0812.4218 v1 · 2008-12-22 · astro-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNB74Z5LPECGVRDLAKU2XIU4EH}

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	2026-07-04T17:13:57.706359Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1343fe67ab79046ac46b02a9aba29c21c36a7de0cf4f1b8e32e9ef6b6e6e1dd4

Aliases

arxiv: 0812.4218 · arxiv_version: 0812.4218v1 · doi: 10.48550/arxiv.0812.4218 · pith_short_12: CNB74Z5LPECG · pith_short_16: CNB74Z5LPECGVRDL · pith_short_8: CNB74Z5L

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/CNB74Z5LPECGVRDLAKU2XIU4EH \
  | 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: 1343fe67ab79046ac46b02a9aba29c21c36a7de0cf4f1b8e32e9ef6b6e6e1dd4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7b08509a8c3bfa78a68aec1fd2f87a83658d1eac083bc164f554f6f3618ac67c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph",
    "submitted_at": "2008-12-22T15:28:16Z",
    "title_canon_sha256": "093e4cfc3a83a173fbdaf31e9ac040eb2c1c5190fee6f03a9840897763541499"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0812.4218",
    "kind": "arxiv",
    "version": 1
  }
}