Pith Number

pith:ZJMR6BDV

pith:1998:ZJMR6BDV57B2A3NQF3VDIB2C6Z

not attested not anchored not stored refs pending

On the analytical approach to the N-fold B\"acklund transformation of Davey-Stewartson equation

A. Roy Chowdhury, Sudhir Paul

arxiv:math/9810205 v1 · 1998-10-01 · 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{ZJMR6BDV57B2A3NQF3VDIB2C6Z}

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	2026-05-18T01:38:22.726121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb

Aliases

arxiv: math/9810205 · arxiv_version: math/9810205v1 · doi: 10.48550/arxiv.math/9810205 · pith_short_12: ZJMR6BDV57B2 · pith_short_16: ZJMR6BDV57B2A3NQ · pith_short_8: ZJMR6BDV

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/ZJMR6BDV57B2A3NQF3VDIB2C6Z \
  | 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: ca591f0475efc3a06db02eea340742f66162b4f734c9607fe3a2d4a9a1e6e8cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "437e586c915087c7b44c9c4e003355339cd1df072e67d1e7f6744419215b9977",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.AP",
    "submitted_at": "1998-10-01T00:00:00Z",
    "title_canon_sha256": "2c2314800dde8e1bddfcc8117e7d29647064f7412a0164ee13eefeca3f474724"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9810205",
    "kind": "arxiv",
    "version": 1
  }
}