Pith Number

pith:7LDBYISD

pith:2009:7LDBYISDQ4UW7M3F2DWYETM7TA

not attested not anchored not stored refs pending

Infinite-dimensional symmetries of a two-dimensional generalized Burgers equation

F. Gungor

arxiv:0902.4156 v1 · 2009-02-24 · nlin.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7LDBYISDQ4UW7M3F2DWYETM7TA}

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	2026-07-04T15:38:39.885418Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fac61c224387296fb365d0ed824d9f982095e2e5a133fb3eb550e4260b7e8911

Aliases

arxiv: 0902.4156 · arxiv_version: 0902.4156v1 · doi: 10.48550/arxiv.0902.4156 · pith_short_12: 7LDBYISDQ4UW · pith_short_16: 7LDBYISDQ4UW7M3F · pith_short_8: 7LDBYISD

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/7LDBYISDQ4UW7M3F2DWYETM7TA \
  | 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: fac61c224387296fb365d0ed824d9f982095e2e5a133fb3eb550e4260b7e8911

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d54f3bf6e3af8d2f850296ffdd1c34d862a36073d4ae7ec6422a28cd5df1ee08",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2009-02-24T14:32:35Z",
    "title_canon_sha256": "7e44b68cd2feb9892cf5e280b599212a717d13db9e73d58f01291cb41669dc27"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0902.4156",
    "kind": "arxiv",
    "version": 1
  }
}