Pith Number

pith:2RWTN5TP

pith:2018:2RWTN5TPT23QFKJR5SZFWQHW5R

not attested not anchored not stored refs pending

Validity of Steady Prandtl Layer Expansions

Sameer Iyer, Yan Guo

arxiv:1805.05891 v5 · 2018-05-15 · 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{2RWTN5TPT23QFKJR5SZFWQHW5R}

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	2026-05-18T00:03:31.920039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d46d36f66f9eb702a931ecb25b40f6ec7f8f6c094b01fca0b549d8300eca9842

Aliases

arxiv: 1805.05891 · arxiv_version: 1805.05891v5 · doi: 10.48550/arxiv.1805.05891 · pith_short_12: 2RWTN5TPT23Q · pith_short_16: 2RWTN5TPT23QFKJR · pith_short_8: 2RWTN5TP

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/2RWTN5TPT23QFKJR5SZFWQHW5R \
  | 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: d46d36f66f9eb702a931ecb25b40f6ec7f8f6c094b01fca0b549d8300eca9842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df5360f3d4964148f882b5b1e079e1d36ed11fabbb8f486e904740c2f2670fa0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-05-15T16:30:51Z",
    "title_canon_sha256": "8e515aafe4480bd855f70103b419f47ff0b6451966a031d3ab9a139c653e8e90"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.05891",
    "kind": "arxiv",
    "version": 5
  }
}