Pith Number

pith:O2QT3USB

pith:2012:O2QT3USBEUWO647GZXAHGSANAN

not attested not anchored not stored refs pending

On the Darboux and Birkhoff steps in the asymptotic stability of solitons

Scipio Cuccagna

arxiv:1203.2120 v2 · 2012-03-09 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{O2QT3USBEUWO647GZXAHGSANAN}

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	2026-05-18T03:54:14.849221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76a13dd241252cef73e6cdc073480d036ea5ffde329c4a1656b91046519d0909

Aliases

arxiv: 1203.2120 · arxiv_version: 1203.2120v2 · doi: 10.48550/arxiv.1203.2120 · pith_short_12: O2QT3USBEUWO · pith_short_16: O2QT3USBEUWO647G · pith_short_8: O2QT3USB

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/O2QT3USBEUWO647GZXAHGSANAN \
  | 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: 76a13dd241252cef73e6cdc073480d036ea5ffde329c4a1656b91046519d0909

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "791312c846629ec3bc6a52486d9a5ac3b5417cc7683506f09ed5c016b453757f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-03-09T16:02:12Z",
    "title_canon_sha256": "1a9f02a0da92405b5ed6a8d0b7f69d914d5a0791e6626b42534e37f12ccc13af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.2120",
    "kind": "arxiv",
    "version": 2
  }
}