Pith Number

pith:ZBFIU5BH

pith:2001:ZBFIU5BHFRG2FIQKA6P2SKP7CK

not attested not anchored not stored refs pending

Characterization of extrasolar terrestrial planets from diurnal photometric variability

E. B. Ford (Princeton), E. L. Turner (Princeton), S. Seager (IAS)

arxiv:astro-ph/0109054 v1 · 2001-09-04 · 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{ZBFIU5BHFRG2FIQKA6P2SKP7CK}

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	2026-05-18T01:40:44.176962Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c84a8a74272c4da2a20a079fa929ff1284ffd169ed63afe44b4485c9f16039af

Aliases

arxiv: astro-ph/0109054 · arxiv_version: astro-ph/0109054v1 · doi: 10.48550/arxiv.astro-ph/0109054 · pith_short_12: ZBFIU5BHFRG2 · pith_short_16: ZBFIU5BHFRG2FIQK · pith_short_8: ZBFIU5BH

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/ZBFIU5BHFRG2FIQKA6P2SKP7CK \
  | 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: c84a8a74272c4da2a20a079fa929ff1284ffd169ed63afe44b4485c9f16039af

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50414ac3810a4798a27a1f8e6850d56bb7648d0d734fa134fab04b934de94cc8",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2001-09-04T23:04:17Z",
    "title_canon_sha256": "39072d6b6cfb281490c156e87da0b5f5468ee04fa067d5bdb7991f96e792e99f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0109054",
    "kind": "arxiv",
    "version": 1
  }
}