Pith Number

pith:66IXP67E

pith:2013:66IXP67ERYDRUDG2NFCNCHBSNK

not attested not anchored not stored refs pending

Hadamard well-posedness for a hyperbolic equation of viscoelasticity with supercritical sources and damping

Daniel Toundykov, Edriss S. Titi, Mohammad A. Rammaha, Sawanya Sakuntasathien, Yanqiu Guo

arxiv:1308.0720 v2 · 2013-08-03 · 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{66IXP67ERYDRUDG2NFCNCHBSNK}

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	2026-05-18T02:39:24.100394Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f79177fbe48e071a0cda6944d11c326ab9aa9f92517f5c49b1622f86b3bffdac

Aliases

arxiv: 1308.0720 · arxiv_version: 1308.0720v2 · doi: 10.48550/arxiv.1308.0720 · pith_short_12: 66IXP67ERYDR · pith_short_16: 66IXP67ERYDRUDG2 · pith_short_8: 66IXP67E

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/66IXP67ERYDRUDG2NFCNCHBSNK \
  | 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: f79177fbe48e071a0cda6944d11c326ab9aa9f92517f5c49b1622f86b3bffdac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8c4c532aeca0f6610c3980281aff46514dcd7bdebeeb0998ee64a9549db5e763",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2013-08-03T16:54:06Z",
    "title_canon_sha256": "cda054e5f589bb036c520e53e3c1d09af54419b0076101e2267eae6d9c6d1e29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0720",
    "kind": "arxiv",
    "version": 2
  }
}