Pith Number

pith:FVN2YSW2

pith:2017:FVN2YSW2CTCO73LN7JQRLJF4L7

not attested not anchored not stored refs pending

B\"acklund Transformations for the Boussinesq Equation and Merging Solitons

Alexander Rasin, Jeremy Schiff

arxiv:1701.00243 v1 · 2017-01-01 · nlin.SI · math-ph · math.DS · 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{FVN2YSW2CTCO73LN7JQRLJF4L7}

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	2026-05-18T00:39:00.382210Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d5bac4ada14c4efed6dfa6115a4bc5fda27ad5d687aec16ed0a9ee5dd8c4c02

Aliases

arxiv: 1701.00243 · arxiv_version: 1701.00243v1 · doi: 10.48550/arxiv.1701.00243 · pith_short_12: FVN2YSW2CTCO · pith_short_16: FVN2YSW2CTCO73LN · pith_short_8: FVN2YSW2

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/FVN2YSW2CTCO73LN7JQRLJF4L7 \
  | 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: 2d5bac4ada14c4efed6dfa6115a4bc5fda27ad5d687aec16ed0a9ee5dd8c4c02

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3e0f97840b566339b2abc150bbb0812af6e5ca11bce1c43c6454d4ef920e0cd",
    "cross_cats_sorted": [
      "math-ph",
      "math.DS",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2017-01-01T13:34:49Z",
    "title_canon_sha256": "6ca71a4201df2306ddd24dd43ad819098e52e7d48f630634467690cb941d85d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.00243",
    "kind": "arxiv",
    "version": 1
  }
}