Pith Number

pith:Q744DAQF

pith:2018:Q744DAQFCURHOHUINQM4FTVME7

not attested not anchored not stored refs pending

Grow-up for a quasilinear heat equation with a localized reaction in higher dimensions

Arturo de Pablo, Raul Ferreira

arxiv:1801.09538 v1 · 2018-01-29 · 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{Q744DAQFCURHOHUINQM4FTVME7}

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	2026-05-18T00:24:57.107607Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87f9c182051522771e886c19c2ceac27c515de8e3331b3ed9bab9e2ee087c398

Aliases

arxiv: 1801.09538 · arxiv_version: 1801.09538v1 · doi: 10.48550/arxiv.1801.09538 · pith_short_12: Q744DAQFCURH · pith_short_16: Q744DAQFCURHOHUI · pith_short_8: Q744DAQF

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/Q744DAQFCURHOHUINQM4FTVME7 \
  | 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: 87f9c182051522771e886c19c2ceac27c515de8e3331b3ed9bab9e2ee087c398

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6bfc1347b3f5bbfd59418d89f3a56b2aad9aa33f24bf879bb277b1e33614f2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-01-29T14:49:14Z",
    "title_canon_sha256": "1a2659d2552dc51e1beeff8993b4bb1629ef6d5ca31e7fdcd558323bafe131a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09538",
    "kind": "arxiv",
    "version": 1
  }
}