Pith Number

pith:3MEQBDNV

pith:2012:3MEQBDNVUVL27JC2I6SW6DNP43

not attested not anchored not stored refs pending

Homoclinic orbits for a class of nonperiodic Hamiltonian systems with some twisted conditions

Qingye Zhang, Qi Wang

arxiv:1207.0555 v1 · 2012-07-03 · math.DS · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3MEQBDNVUVL27JC2I6SW6DNP43}

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	2026-05-18T03:51:57.792488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

db09008db5a557afa45a47a56f0dafe6d14ec4eff80ce43865d9f14f9e579258

Aliases

arxiv: 1207.0555 · arxiv_version: 1207.0555v1 · doi: 10.48550/arxiv.1207.0555 · pith_short_12: 3MEQBDNVUVL2 · pith_short_16: 3MEQBDNVUVL27JC2 · pith_short_8: 3MEQBDNV

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/3MEQBDNVUVL27JC2I6SW6DNP43 \
  | 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: db09008db5a557afa45a47a56f0dafe6d14ec4eff80ce43865d9f14f9e579258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b86b14bdc514df7956bf966f628a635cc80620ca2d463b40cd137af73ef5a8e2",
    "cross_cats_sorted": [
      "math.CA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2012-07-03T01:05:05Z",
    "title_canon_sha256": "1a2b8b09574388d8c77d0d9f9fd8b5c79978ecd911876d85a3ab3eb17d38f235"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0555",
    "kind": "arxiv",
    "version": 1
  }
}