Pith Number

pith:OQVWJC4E

pith:2012:OQVWJC4EUU5Z6IA3E7UXOBAABH

not attested not anchored not stored refs pending

Blow-up of solutions to a Dirichlet problem for the discrete semi-linear heat equation

Keisuke Matsuya

arxiv:1211.1192 v1 · 2012-11-06 · 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{OQVWJC4EUU5Z6IA3E7UXOBAABH}

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	2026-05-18T03:41:22.075615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

742b648b84a53b9f201b27e977040009ddf87872339dd6d8148bb23d20c1bad6

Aliases

arxiv: 1211.1192 · arxiv_version: 1211.1192v1 · doi: 10.48550/arxiv.1211.1192 · pith_short_12: OQVWJC4EUU5Z · pith_short_16: OQVWJC4EUU5Z6IA3 · pith_short_8: OQVWJC4E

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/OQVWJC4EUU5Z6IA3E7UXOBAABH \
  | 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: 742b648b84a53b9f201b27e977040009ddf87872339dd6d8148bb23d20c1bad6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b143d8797530a5d4a2defd6cefc09385d399bf88e6816c7389a02471ea688ab1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-11-06T11:52:38Z",
    "title_canon_sha256": "35a10c551bf61fba03d85f8839a05d62ccb9e4e4f421a51e6c954a200942cff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.1192",
    "kind": "arxiv",
    "version": 1
  }
}