Pith Number

pith:UPB5ZFFS

pith:2026:UPB5ZFFSPXOBGH3DKTLMDAEMGN

not attested not anchored not stored refs pending

Lie symmetries of a generalized Fisher equation in cylindrical coordinates

Bayarjargal Batsukh, Uuganbayar Zunderiya

arxiv:2605.21890 v1 · 2026-05-21 · 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{UPB5ZFFSPXOBGH3DKTLMDAEMGN}

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	2026-05-22T01:04:13.194220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a3c3dc94b27ddc131f6354d6c1808c334695e84683531486c6862c2fc912ed96

Aliases

arxiv: 2605.21890 · arxiv_version: 2605.21890v1 · doi: 10.48550/arxiv.2605.21890 · pith_short_12: UPB5ZFFSPXOB · pith_short_16: UPB5ZFFSPXOBGH3D · pith_short_8: UPB5ZFFS

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/UPB5ZFFSPXOBGH3DKTLMDAEMGN \
  | 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: a3c3dc94b27ddc131f6354d6c1808c334695e84683531486c6862c2fc912ed96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b5c3c2ce27be98e70356bf1b2004aadd0f058c76c0a829ba2091db6ebc436cd8",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2026-05-21T02:00:37Z",
    "title_canon_sha256": "990f5440b7b89e381cb61b7114952f514a045b8cb401d93a83b91aadf94f61d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.21890",
    "kind": "arxiv",
    "version": 1
  }
}