Pith Number

pith:MQW2H5HQ

pith:2010:MQW2H5HQOBNTZORA4M644V5LPG

not attested not anchored not stored refs pending

Numerical Resolution near t = 0 of Nonlinear Evolution Equations in the Presence of Corner Singularities in Space Dimension 1

Qingshan Chen, Roger Temam, Zhen Qin

arxiv:1011.4549 v1 · 2010-11-20 · math.NA · 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{MQW2H5HQOBNTZORA4M644V5LPG}

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	2026-05-18T04:35:05.903778Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

642da3f4f0705b3cba20e33dce57ab7987c37e897a299a20745d400a6007011e

Aliases

arxiv: 1011.4549 · arxiv_version: 1011.4549v1 · doi: 10.48550/arxiv.1011.4549 · pith_short_12: MQW2H5HQOBNT · pith_short_16: MQW2H5HQOBNTZORA · pith_short_8: MQW2H5HQ

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/MQW2H5HQOBNTZORA4M644V5LPG \
  | 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: 642da3f4f0705b3cba20e33dce57ab7987c37e897a299a20745d400a6007011e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "041f63f46d9c2d2e8ce09f3ab8b542cc42f4a995ddca06ef8dc05c4c46fc1b8f",
    "cross_cats_sorted": [
      "math.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2010-11-20T03:04:28Z",
    "title_canon_sha256": "23efb6353fd1c4d5937748be2f1ac741152c5a200490d527d9601f0c95a678eb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4549",
    "kind": "arxiv",
    "version": 1
  }
}