Pith Number

pith:ATF5D3U7

pith:2015:ATF5D3U7YKD3K2TILNI6OOGKJQ

not attested not anchored not stored refs pending

Non-isospectral 1+1 hierarchies arising from a Camassa--Holm hierarchy in 2+1 dimensions

C. Sard\'on, P.G. Est\'evez

arxiv:1506.07428 v2 · 2015-06-24 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ATF5D3U7YKD3K2TILNI6OOGKJQ}

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	2026-05-18T01:35:59.519739Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

04cbd1ee9fc287b56a685b51e738ca4c1f558ec1bf6b7b2ecd368821a3443d97

Aliases

arxiv: 1506.07428 · arxiv_version: 1506.07428v2 · doi: 10.48550/arxiv.1506.07428 · pith_short_12: ATF5D3U7YKD3 · pith_short_16: ATF5D3U7YKD3K2TI · pith_short_8: ATF5D3U7

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/ATF5D3U7YKD3K2TILNI6OOGKJQ \
  | 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: 04cbd1ee9fc287b56a685b51e738ca4c1f558ec1bf6b7b2ecd368821a3443d97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c212a8e213e153b5c7e06983e54a641b4b28def0e870adc2787760eb6ef3b0f2",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-06-24T15:41:09Z",
    "title_canon_sha256": "afc385b229bf748872081e4d619c4ec145a98a38fc15591cbaf83b75250496f0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.07428",
    "kind": "arxiv",
    "version": 2
  }
}