Pith Number

pith:IGPMDTZ6

pith:2011:IGPMDTZ6TDPCEWQLXMJ6ZMILCY

not attested not anchored not stored refs pending

There is only one KAM curve

Carlo Carminati, David Sauzin (SNS PISA, Imcce), Stefano Marmi (SNS PISA)

arxiv:1104.2979 v2 · 2011-04-15 · 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{IGPMDTZ6TDPCEWQLXMJ6ZMILCY}

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	2026-05-18T04:17:04.261250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

419ec1cf3e98de225a0bbb13ecb10b16351334b4af3aac6a492cbfc681e2be06

Aliases

arxiv: 1104.2979 · arxiv_version: 1104.2979v2 · doi: 10.48550/arxiv.1104.2979 · pith_short_12: IGPMDTZ6TDPC · pith_short_16: IGPMDTZ6TDPCEWQL · pith_short_8: IGPMDTZ6

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/IGPMDTZ6TDPCEWQLXMJ6ZMILCY \
  | 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: 419ec1cf3e98de225a0bbb13ecb10b16351334b4af3aac6a492cbfc681e2be06

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f6f52a156781079fbb1efe5a5b189b841a68c62fa4cd6483ba31b7e7b98e50a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-04-15T08:22:21Z",
    "title_canon_sha256": "9477cc3b29969003b00fe32224f018bcace7e81ef7021372eb000d012555c651"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2979",
    "kind": "arxiv",
    "version": 2
  }
}