Pith Number

pith:EF3IWBFX

pith:2014:EF3IWBFXSLGXIMV5XWJMZRX6AW

not attested not anchored not stored refs pending

On the existence of low regularity solutions to semilinear generalized Tricomi equations in mixed type domains

Huicheng Yin, Ingo Witt, Zhuoping Ruan

arxiv:1409.0707 v1 · 2014-09-02 · 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{EF3IWBFXSLGXIMV5XWJMZRX6AW}

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	2026-05-18T02:43:46.315536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21768b04b792cd7432bdbd92ccc6fe05a9d662438abd286db7a61883f167f7b5

Aliases

arxiv: 1409.0707 · arxiv_version: 1409.0707v1 · doi: 10.48550/arxiv.1409.0707 · pith_short_12: EF3IWBFXSLGX · pith_short_16: EF3IWBFXSLGXIMV5 · pith_short_8: EF3IWBFX

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/EF3IWBFXSLGXIMV5XWJMZRX6AW \
  | 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: 21768b04b792cd7432bdbd92ccc6fe05a9d662438abd286db7a61883f167f7b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8092fcd9b1519a53a93b1bcad5cd915fe554ef0cfd47b787e2a0e0b058f085f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-02T13:47:48Z",
    "title_canon_sha256": "0c45516a30ec6b3069b8fe900c2bc625694f9a19915927e5f5c644e8fe3adf7d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.0707",
    "kind": "arxiv",
    "version": 1
  }
}