Pith Number

pith:O55H4IMT

pith:2009:O55H4IMTUC7WKLVSSJT7V4F4MA

not attested not anchored not stored refs pending

Stellar Parameters for a Sample of Stars with Planets

F. X. de Ara\'ujo, K. Cunha, L. Ghezzi, R. de la Reza, S. Schuler, V. V. Smith

arxiv:0911.4723 v1 · 2009-11-24 · astro-ph.SR · astro-ph.EP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O55H4IMTUC7WKLVSSJT7V4F4MA}

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	2026-05-18T04:37:10.474876Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

777a7e2193a0bf652eb29267faf0bc6016c3ff3a8257dedabbd90b10079bacec

Aliases

arxiv: 0911.4723 · arxiv_version: 0911.4723v1 · doi: 10.48550/arxiv.0911.4723 · pith_short_12: O55H4IMTUC7W · pith_short_16: O55H4IMTUC7WKLVS · pith_short_8: O55H4IMT

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/O55H4IMTUC7WKLVSSJT7V4F4MA \
  | 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: 777a7e2193a0bf652eb29267faf0bc6016c3ff3a8257dedabbd90b10079bacec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d9cfcae9222c5fdaa54a7f088391c62ad734a4b777410314e8d963876bccb7a7",
    "cross_cats_sorted": [
      "astro-ph.EP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2009-11-24T21:01:10Z",
    "title_canon_sha256": "1b2b75ffea41812d2be952e90e0ebf4db688b4ae3398fcf80e824e3a5c0e82a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.4723",
    "kind": "arxiv",
    "version": 1
  }
}