Pith Number

pith:BKPBWN2K

pith:2015:BKPBWN2KBHDPUSG5E54GYYS4FW

not attested not anchored not stored refs pending

From Euler's elastica to the mKdV hierarchy, through the Faber polynomials

Emma Previato, Shigeki Matsutani

arxiv:1511.08658 v1 · 2015-11-27 · math-ph · math.DG · math.MP · 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{BKPBWN2KBHDPUSG5E54GYYS4FW}

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	2026-05-18T01:04:22.073138Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0a9e1b374a09c6fa48dd27786c625c2d8b48c934fcc599ade8eca0ae0360fe99

Aliases

arxiv: 1511.08658 · arxiv_version: 1511.08658v1 · doi: 10.48550/arxiv.1511.08658 · pith_short_12: BKPBWN2KBHDP · pith_short_16: BKPBWN2KBHDPUSG5 · pith_short_8: BKPBWN2K

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/BKPBWN2KBHDPUSG5E54GYYS4FW \
  | 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: 0a9e1b374a09c6fa48dd27786c625c2d8b48c934fcc599ade8eca0ae0360fe99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b90c0031cec316c24f10e03df9cb45275a3c3cf14d746a1e59732accc4e0c03",
    "cross_cats_sorted": [
      "math.DG",
      "math.MP",
      "nlin.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-11-27T13:20:13Z",
    "title_canon_sha256": "c25674b06f5de1d7e2fbc65ed7417ab8f4dc64ab59ffebdbede9345f424ebe43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08658",
    "kind": "arxiv",
    "version": 1
  }
}