Pith Number

pith:AM5YQUWZ

pith:2011:AM5YQUWZ5VT625CSSYQASH7KL2

not attested not anchored not stored refs pending

Lie symmetries and conservation laws of the Hirota-Ramani equation

Mehdi Nadjafikhah, Vahid Vahid Shirvani-Sh

arxiv:1111.5178 v1 · 2011-11-22 · 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{AM5YQUWZ5VT625CSSYQASH7KL2}

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	2026-05-18T00:56:53.944935Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

033b8852d9ed67ed74529620091fea5ea18d8c3050cf1785c2b9db83a4583975

Aliases

arxiv: 1111.5178 · arxiv_version: 1111.5178v1 · doi: 10.48550/arxiv.1111.5178 · pith_short_12: AM5YQUWZ5VT6 · pith_short_16: AM5YQUWZ5VT625CS · pith_short_8: AM5YQUWZ

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/AM5YQUWZ5VT625CSSYQASH7KL2 \
  | 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: 033b8852d9ed67ed74529620091fea5ea18d8c3050cf1785c2b9db83a4583975

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "68acfbd7fcf46756b077c11bffa3e3d9c37e307973f0c495fadd34bf57f5513c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-11-22T12:38:37Z",
    "title_canon_sha256": "fa01b1926e2e69f01f702b98d2bd83f6e36737f3bada5b90579cb92b935a113f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.5178",
    "kind": "arxiv",
    "version": 1
  }
}