Pith Number

pith:IZZ3VZXL

pith:2011:IZZ3VZXL3EF6AGMBNHKCGY7HTA

not attested not anchored not stored refs pending

On initial boundary value problems for variants of the Hunter-Saxton equation

Martin Kohlmann

arxiv:1103.4221 v2 · 2011-03-22 · 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{IZZ3VZXL3EF6AGMBNHKCGY7HTA}

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	2026-05-18T03:45:32.042689Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4673bae6ebd90be0198169d42363e79821c07d8ae7f6e94d36dbf6afa9aa149d

Aliases

arxiv: 1103.4221 · arxiv_version: 1103.4221v2 · doi: 10.48550/arxiv.1103.4221 · pith_short_12: IZZ3VZXL3EF6 · pith_short_16: IZZ3VZXL3EF6AGMB · pith_short_8: IZZ3VZXL

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/IZZ3VZXL3EF6AGMBNHKCGY7HTA \
  | 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: 4673bae6ebd90be0198169d42363e79821c07d8ae7f6e94d36dbf6afa9aa149d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d9b396f6daa4514bc9668009aea450a3aebdab778bf8e6cdb3d7e391380a33",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-03-22T07:39:53Z",
    "title_canon_sha256": "9706d2c9fff67014d232e47d36c4490555b74fdace4aa873d2d7e752794d84fa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4221",
    "kind": "arxiv",
    "version": 2
  }
}