Pith Number

pith:7RJQZT5F

pith:2016:7RJQZT5F7HLZTCB2RS2JX2FMSG

not attested not anchored not stored refs pending

The mKdV and NLS hierarchies revisited

Jan-Cornelius Molnar, Yannick Widmer

arxiv:1601.07580 v1 · 2016-01-27 · 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{7RJQZT5F7HLZTCB2RS2JX2FMSG}

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	2026-05-18T01:21:44.074891Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc530ccfa5f9d799883a8cb49be8ac91a347aab6c73c35804bedc4e65ecf1634

Aliases

arxiv: 1601.07580 · arxiv_version: 1601.07580v1 · doi: 10.48550/arxiv.1601.07580 · pith_short_12: 7RJQZT5F7HLZ · pith_short_16: 7RJQZT5F7HLZTCB2 · pith_short_8: 7RJQZT5F

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/7RJQZT5F7HLZTCB2RS2JX2FMSG \
  | 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: fc530ccfa5f9d799883a8cb49be8ac91a347aab6c73c35804bedc4e65ecf1634

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3b245dd0418f31d29d9ab7f4e9773a850773bd3dac9d70a58d9ca373af9f8016",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-01-27T21:46:07Z",
    "title_canon_sha256": "9ddbbf1e194fdd113e4ab0588ee497b64efcfa1833b7d3f6325a6ef30a7b22f9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.07580",
    "kind": "arxiv",
    "version": 1
  }
}