Pith Number

pith:LA2FB7SF

pith:2018:LA2FB7SFDLIXDYL6ZF7TN525CF

not attested not anchored not stored refs pending

Lie symmetry analysis and group invariant solutions of the nonlinear Helmholtz equation

A. Durga Devi, A. G. Johnpillai, K. Sakkaravarthi, M. Lakshmanan, T. Kanna

arxiv:1803.01622 v1 · 2018-03-05 · nlin.SI · nlin.PS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LA2FB7SFDLIXDYL6ZF7TN525CF}

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	2026-05-18T00:12:24.478391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

583450fe451ad171e17ec97f36f75d1157ff5f14c3e5a8b714bab90498ff0b29

Aliases

arxiv: 1803.01622 · arxiv_version: 1803.01622v1 · doi: 10.48550/arxiv.1803.01622 · pith_short_12: LA2FB7SFDLIX · pith_short_16: LA2FB7SFDLIXDYL6 · pith_short_8: LA2FB7SF

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/LA2FB7SFDLIXDYL6ZF7TN525CF \
  | 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: 583450fe451ad171e17ec97f36f75d1157ff5f14c3e5a8b714bab90498ff0b29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9af974f9572da1490ead9aa27ed8e1ae9ec2e9cf2a042c5e6acb548d79701dab",
    "cross_cats_sorted": [
      "nlin.PS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2018-03-05T12:17:14Z",
    "title_canon_sha256": "b5a63371ac43220d312827e274da676c7e28d403d2cb7a58b9559f54216d059d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.01622",
    "kind": "arxiv",
    "version": 1
  }
}