Pith Number

pith:PYFLXN2L

pith:2017:PYFLXN2LBQDMRJD655BRVP4GMX

not attested not anchored not stored refs pending

Solvability of the heat equation with a nonlinear boundary condition

Kazuhiro Ishige, Kotaro Hisa

arxiv:1704.07992 v1 · 2017-04-26 · 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{PYFLXN2LBQDMRJD655BRVP4GMX}

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	2026-05-18T00:45:31.324707Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7e0abbb74b0c06c8a47eef431abf8665df73932613acbfcf041a190b46a3f548

Aliases

arxiv: 1704.07992 · arxiv_version: 1704.07992v1 · doi: 10.48550/arxiv.1704.07992 · pith_short_12: PYFLXN2LBQDM · pith_short_16: PYFLXN2LBQDMRJD6 · pith_short_8: PYFLXN2L

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/PYFLXN2LBQDMRJD655BRVP4GMX \
  | 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: 7e0abbb74b0c06c8a47eef431abf8665df73932613acbfcf041a190b46a3f548

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c3ccce64e086462025343384bd00681c37278b76f5820a3962936de44ed58063",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-26T07:12:56Z",
    "title_canon_sha256": "fe480645a7a957b521605002e047066a850cbf5bfd992b1d951b1ec926a9bc39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07992",
    "kind": "arxiv",
    "version": 1
  }
}