Pith Number

pith:COTVNZLS

pith:2010:COTVNZLS2NBGWU3PEGBSVKROL6

not attested not anchored not stored refs pending

Analysis of variability of TW Hya as observed by MOST and ASAS in 2009

Anthony F. J. Moffat, David B. Guenther, Dimitar Sasselov, Grzegorz Pojmanski, Jaymie M. Matthews, Michal Siwak, Rainer Kuschnig, Slavek M. Rucinski, Werner W. Weiss

arxiv:1009.1173 v1 · 2010-09-06 · 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{COTVNZLS2NBGWU3PEGBSVKROL6}

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	2026-05-18T02:05:35.915185Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

13a756e572d3426b536f21832aaa2e5fa8bcad9b7c31d36cc2ce9eacaf9a51cb

Aliases

arxiv: 1009.1173 · arxiv_version: 1009.1173v1 · doi: 10.48550/arxiv.1009.1173 · pith_short_12: COTVNZLS2NBG · pith_short_16: COTVNZLS2NBGWU3P · pith_short_8: COTVNZLS

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/COTVNZLS2NBGWU3PEGBSVKROL6 \
  | 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: 13a756e572d3426b536f21832aaa2e5fa8bcad9b7c31d36cc2ce9eacaf9a51cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f00b2d2735a4ff190660f1a62b661b2706a5e25d07f4ffcbb7d2179781687d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2010-09-06T22:51:57Z",
    "title_canon_sha256": "53fbd1bc88c58b0e78ab7ebc7e79b2622dfa7815106d4a05d59c4bb925ad22af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.1173",
    "kind": "arxiv",
    "version": 1
  }
}