Pith Number

pith:HTER257B

pith:2019:HTER257BKKCFKPU2QVW632F6FL

not attested not anchored not stored refs pending

Uniqueness of the solution of nonlinear singular first order partial differential equations

Hidetoshi Tahara

arxiv:1908.08182 v1 · 2019-08-22 · 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{HTER257BKKCFKPU2QVW632F6FL}

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	2026-07-04T23:59:10.256027Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cc91d77e15284553e9a856dede8be2af5d0fea891734bc8a37892a332f5b13a

Aliases

arxiv: 1908.08182 · arxiv_version: 1908.08182v1 · doi: 10.48550/arxiv.1908.08182 · pith_short_12: HTER257BKKCF · pith_short_16: HTER257BKKCFKPU2 · pith_short_8: HTER257B

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/HTER257BKKCFKPU2QVW632F6FL \
  | 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: 3cc91d77e15284553e9a856dede8be2af5d0fea891734bc8a37892a332f5b13a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6b4cbe0c5036822bf38658a5dc4d64f4ac16d294aa933267ae12d14f3f2e0d84",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2019-08-22T03:26:59Z",
    "title_canon_sha256": "18062321b6a0badd2fd20c91cf74c5ee43048777fc1be2196854f6a8bff50d2c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08182",
    "kind": "arxiv",
    "version": 1
  }
}