Pith Number

pith:BXKRL23Y

pith:2017:BXKRL23YD3KJWTTY2JYEFHQX4U

not attested not anchored not stored refs pending

On semilinear Tricomi equations with critical exponents or in two space dimensions

Daoyin He, Huicheng Yin, Ingo Witt

arxiv:1704.07051 v1 · 2017-04-24 · 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{BXKRL23YD3KJWTTY2JYEFHQX4U}

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	2026-05-18T00:45:54.901835Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0dd515eb781ed49b4e78d270429e17e5161aba7b9bad28467a3c113c4bcb0818

Aliases

arxiv: 1704.07051 · arxiv_version: 1704.07051v1 · doi: 10.48550/arxiv.1704.07051 · pith_short_12: BXKRL23YD3KJ · pith_short_16: BXKRL23YD3KJWTTY · pith_short_8: BXKRL23Y

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/BXKRL23YD3KJWTTY2JYEFHQX4U \
  | 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: 0dd515eb781ed49b4e78d270429e17e5161aba7b9bad28467a3c113c4bcb0818

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff6c695d77fae72045e6d7aee7dcd76ec32984d2c38c1e5f8d05665546f3b633",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2017-04-24T06:17:11Z",
    "title_canon_sha256": "063fab17917620ec066a7f54b5475d67c2001b1260a4acbe6f58a86fe6260646"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.07051",
    "kind": "arxiv",
    "version": 1
  }
}