Pith Number

pith:634FPMDR

pith:2020:634FPMDRTYHR2G2P4HHAJ6QPTZ

not attested not anchored not stored refs pending

Verification of Prandtl boundary layer ansatz for the steady electrically conducting fluids with a moving physical boundary

Feng Xie, Shijin Ding, Zhilin Lin

arxiv:2001.00324 v2 · 2020-01-02 · 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{634FPMDRTYHR2G2P4HHAJ6QPTZ}

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	2026-07-05T00:34:05.124329Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f6f857b0719e0f1d1b4fe1ce04fa0f9e487f20ff7947b41c2d5c6e6caeafed4c

Aliases

arxiv: 2001.00324 · arxiv_version: 2001.00324v2 · doi: 10.48550/arxiv.2001.00324 · pith_short_12: 634FPMDRTYHR · pith_short_16: 634FPMDRTYHR2G2P · pith_short_8: 634FPMDR

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/634FPMDRTYHR2G2P4HHAJ6QPTZ \
  | 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: f6f857b0719e0f1d1b4fe1ce04fa0f9e487f20ff7947b41c2d5c6e6caeafed4c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "506878cf3de083fffc211adb21efb062ef6b72f1bb6511abf577e7db569b4529",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2020-01-02T04:41:46Z",
    "title_canon_sha256": "0288a085d2877512a69750032229925767a3ee722180aa2677d0843951c1f588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00324",
    "kind": "arxiv",
    "version": 2
  }
}