Pith Number

pith:VVYTDDDD

pith:2003:VVYTDDDDQQFRHX2F6CZ367OGPY

not attested not anchored not stored refs pending

Secular Evolution of Hierarchical Planetary Systems

Man Hoi Lee, S. J. Peale (UCSB)

arxiv:astro-ph/0304454 v1 · 2003-04-25 · 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{VVYTDDDDQQFRHX2F6CZ367OGPY}

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.

Cited by

1 paper in Pith

Planet-Planet Secular Migration Predicts a Stellar Obliquity-Period Anti-Correlation

Receipt and verification

First computed	2026-07-04T16:36:55.381667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ad71318c63840b13df45f0b3bf7dc67e32e0c44878109dffba51dfc7496b653e

Aliases

arxiv: astro-ph/0304454 · arxiv_version: astro-ph/0304454v1 · doi: 10.48550/arxiv.astro-ph/0304454 · pith_short_12: VVYTDDDDQQFR · pith_short_16: VVYTDDDDQQFRHX2F · pith_short_8: VVYTDDDD

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/VVYTDDDDQQFRHX2F6CZ367OGPY \
  | 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: ad71318c63840b13df45f0b3bf7dc67e32e0c44878109dffba51dfc7496b653e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a75dad21dbd857f4b6ba8d262e2260bddc848e5d38030f1002c1589a0bead36e",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2003-04-25T02:29:40Z",
    "title_canon_sha256": "37cf01c62d2a09b410e6012b1542f73ed449f4565b0835664f7417c98b4a0a02"
  },
  "schema_version": "1.0",
  "source": {
    "id": "astro-ph/0304454",
    "kind": "arxiv",
    "version": 1
  }
}