Pith Number

pith:OAV6F2DM

pith:2010:OAV6F2DMFUI5LCMZDUE7ESFG3P

not attested not anchored not stored refs pending

The Hunter-Saxton equation: remarkable structures of symmetries and conserved densities

Jing Ping Wang

arxiv:1008.3085 v1 · 2010-08-18 · 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{OAV6F2DMFUI5LCMZDUE7ESFG3P}

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	2026-05-18T02:05:46.952027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

702be2e86c2d11d589991d09f248a6dbefbe3d4c539c9e2b05670501c45d703d

Aliases

arxiv: 1008.3085 · arxiv_version: 1008.3085v1 · doi: 10.48550/arxiv.1008.3085 · pith_short_12: OAV6F2DMFUI5 · pith_short_16: OAV6F2DMFUI5LCMZ · pith_short_8: OAV6F2DM

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/OAV6F2DMFUI5LCMZDUE7ESFG3P \
  | 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: 702be2e86c2d11d589991d09f248a6dbefbe3d4c539c9e2b05670501c45d703d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "110279920dc0c17494cf693ec03bc2165adcc2cd6991c0cc7ec16b979fb9910f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "nlin.SI",
    "submitted_at": "2010-08-18T12:59:41Z",
    "title_canon_sha256": "dd71c995e99157afbe1734a97c4ea7fa5ac07cef995a03be05a70e94bc0536bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3085",
    "kind": "arxiv",
    "version": 1
  }
}