Pith Number

pith:XDFGFHYM

pith:2018:XDFGFHYMLWPVMGOSPG5A6SQSBO

not attested not anchored not stored refs pending

A Note on the Well-posedness of Prandtl Equations in Dimension Two

Daiwen Huang, Jincheng Gao, Zheng-an Yao

arxiv:1811.11931 v1 · 2018-11-29 · 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{XDFGFHYMLWPVMGOSPG5A6SQSBO}

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	2026-05-17T23:59:35.098495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b8ca629f0c5d9f5619d279ba0f4a120bad5c6c0042b11c95b48efaad50e67c70

Aliases

arxiv: 1811.11931 · arxiv_version: 1811.11931v1 · doi: 10.48550/arxiv.1811.11931 · pith_short_12: XDFGFHYMLWPV · pith_short_16: XDFGFHYMLWPVMGOS · pith_short_8: XDFGFHYM

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/XDFGFHYMLWPVMGOSPG5A6SQSBO \
  | 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: b8ca629f0c5d9f5619d279ba0f4a120bad5c6c0042b11c95b48efaad50e67c70

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ded05d5daa63aaa346072f0645ea1d20b4aeeebd38b325d3a25be2845b21f35e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-11-29T02:32:00Z",
    "title_canon_sha256": "642649a7744af5867bcc7cca655c49dd0c6131e7de736f40b8b4cdc3ded6c08c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11931",
    "kind": "arxiv",
    "version": 1
  }
}