Pith Number

pith:UMXLBIGV

pith:2014:UMXLBIGV3OR23BWAGX7JA3YBUH

not attested not anchored not stored refs pending

Hill's Spectral Curves and the Invariant Measure of the Periodic KdV Equation

Caroline Brett, Gordon Blower, Ian Doust

arxiv:1409.8494 v1 · 2014-09-30 · math.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UMXLBIGV3OR23BWAGX7JA3YBUH}

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	2026-05-18T02:41:25.206610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a32eb0a0d5dba3ad86c035fe906f01a1f38a81b6a55a7f15d8ec129fcfe323e8

Aliases

arxiv: 1409.8494 · arxiv_version: 1409.8494v1 · doi: 10.48550/arxiv.1409.8494 · pith_short_12: UMXLBIGV3OR2 · pith_short_16: UMXLBIGV3OR23BWA · pith_short_8: UMXLBIGV

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/UMXLBIGV3OR23BWAGX7JA3YBUH \
  | 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: a32eb0a0d5dba3ad86c035fe906f01a1f38a81b6a55a7f15d8ec129fcfe323e8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "79006a7ef78df45f5c2eda2646a9a48c0dff5a688c7611ae25126a516a36b7ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.SP",
    "submitted_at": "2014-09-30T11:32:32Z",
    "title_canon_sha256": "c5b5aa737e76b7c2202d0e3fd9c31c28a8d6c03bb6990ddfe5ac7f0161893e0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8494",
    "kind": "arxiv",
    "version": 1
  }
}