Pith Number

pith:C2LJ3VRN

pith:2015:C2LJ3VRNB5BOYXFSWVOG35PCNV

not attested not anchored not stored refs pending

Perihelia reduction and global Kolmogorov tori in the planetary problem

Gabriella Pinzari

arxiv:1501.04470 v4 · 2015-01-19 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2LJ3VRNB5BOYXFSWVOG35PCNV}

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	2026-05-18T00:05:20.060424Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

16969dd62d0f42ec5cb2b55c6df5e26d6e2af35d4b9d13e0e6897fff8c06d623

Aliases

arxiv: 1501.04470 · arxiv_version: 1501.04470v4 · doi: 10.48550/arxiv.1501.04470 · pith_short_12: C2LJ3VRNB5BO · pith_short_16: C2LJ3VRNB5BOYXFS · pith_short_8: C2LJ3VRN

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/C2LJ3VRNB5BOYXFSWVOG35PCNV \
  | 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: 16969dd62d0f42ec5cb2b55c6df5e26d6e2af35d4b9d13e0e6897fff8c06d623

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "307fdf168fb7cd8634cd0a68da7e2d4a7e76fe5380c91cd3e8c61426ff87996d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2015-01-19T12:25:17Z",
    "title_canon_sha256": "46d9709fda51f41d9115bb1b98c095858bcc2070553530e96161fe52692aec94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04470",
    "kind": "arxiv",
    "version": 4
  }
}