Pith Number

pith:TDF3PMEP

pith:2009:TDF3PMEPGR7USNSELWTY3JIDPR

not attested not anchored not stored refs pending

The far future of exoplanet direct characterization

Alain Leger, Alan Penny, Andreas Quirrenbach, Carlos Eiroa, Charles Beichman, Daphne Stam, Francesco Paresce, Franck Selsis, Giovanna Tinetti, Glenn White, Helmut Lammer, Huub Roettgering, Jean Schneider, Jonathan Lunine, Lisa Kaltenegger, Malcolm Fridlund, Rene Liseau, Thomas Henning, Tom Herbst, William Danchi

arxiv:0910.0726 v2 · 2009-10-05 · 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{TDF3PMEPGR7USNSELWTY3JIDPR}

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	2026-05-18T02:11:26.777424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

98cbb7b08f347f4936445da78da5037c4411bdcb98ff407289d5558bd01c57cb

Aliases

arxiv: 0910.0726 · arxiv_version: 0910.0726v2 · doi: 10.48550/arxiv.0910.0726 · pith_short_12: TDF3PMEPGR7U · pith_short_16: TDF3PMEPGR7USNSE · pith_short_8: TDF3PMEP

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/TDF3PMEPGR7USNSELWTY3JIDPR \
  | 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: 98cbb7b08f347f4936445da78da5037c4411bdcb98ff407289d5558bd01c57cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "eca0036adec2b4f2af5551a53633a205ce6a7113d011331e35424fe6c561f382",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.EP",
    "submitted_at": "2009-10-05T11:17:21Z",
    "title_canon_sha256": "5f4c78b8a0098df1c75a88022aa141c7f53cfddd87504726948f5019b5c8150e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0910.0726",
    "kind": "arxiv",
    "version": 2
  }
}