Pith Number

pith:NYMXUXAC

pith:2016:NYMXUXACN5U2RK2VA6TPFUGYNJ

not attested not anchored not stored refs pending

The KdV, the Burgers, and the Whitham limit for a spatially periodic Boussinesq model

Guido Schneider, Roman Bauer, Wolf-Patrick D\"ull

arxiv:1608.05632 v2 · 2016-08-19 · 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{NYMXUXACN5U2RK2VA6TPFUGYNJ}

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	2026-05-17T23:49:45.176659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6e197a5c026f69a8ab5507a6f2d0d86a4302ba567703c19f21a57bf6a1dc69cd

Aliases

arxiv: 1608.05632 · arxiv_version: 1608.05632v2 · doi: 10.48550/arxiv.1608.05632 · pith_short_12: NYMXUXACN5U2 · pith_short_16: NYMXUXACN5U2RK2V · pith_short_8: NYMXUXAC

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/NYMXUXACN5U2RK2VA6TPFUGYNJ \
  | 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: 6e197a5c026f69a8ab5507a6f2d0d86a4302ba567703c19f21a57bf6a1dc69cd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74fb3fe4fa32f2ba17e0e24e0714d10faffa6966a6df180e5eef967fd8aa9872",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-08-19T15:12:41Z",
    "title_canon_sha256": "af462c8644d60269dc9d05d41dc78796d620eae32157ae7101f00d189aeeb2c8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.05632",
    "kind": "arxiv",
    "version": 2
  }
}