Pith Number

pith:EQGMGYYV

pith:2012:EQGMGYYVXUABMJZSRYQVL2EZKD

not attested not anchored not stored refs pending

Dispersion vs. anti-diffusion: well-posedness in variable coefficient and quasilinear equations of KdV-type

David M. Ambrose, J. Douglas Wright

arxiv:1205.2710 v1 · 2012-05-11 · 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{EQGMGYYVXUABMJZSRYQVL2EZKD}

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	2026-05-18T03:55:46.192388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

240cc36315bd001627328e2155e89950de662c1b8b12f95ea1e55fe1560dca61

Aliases

arxiv: 1205.2710 · arxiv_version: 1205.2710v1 · doi: 10.48550/arxiv.1205.2710 · pith_short_12: EQGMGYYVXUAB · pith_short_16: EQGMGYYVXUABMJZS · pith_short_8: EQGMGYYV

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/EQGMGYYVXUABMJZSRYQVL2EZKD \
  | 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: 240cc36315bd001627328e2155e89950de662c1b8b12f95ea1e55fe1560dca61

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f0348b9917f7b43ea56019939f4c51c9ed09c2fd82a4eb8d160addbf8c25e00d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-05-11T20:16:53Z",
    "title_canon_sha256": "1e41290ebcfc0a7ad3a624fc3160ee455b84eb5e3230bc5a8fd84169817e1e86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2710",
    "kind": "arxiv",
    "version": 1
  }
}