Pith Number

pith:RWKO5JNP

pith:2011:RWKO5JNPMXH4NEBXL5Q6KY46QK

not attested not anchored not stored refs pending

A Fluid Dynamic Formulation of the Isometric Embedding Problem in Differential Geometry

Dehua Wang, Gui-Qiang Chen, Marshall Slemrod

arxiv:1108.4945 v1 · 2011-08-24 · 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{RWKO5JNPMXH4NEBXL5Q6KY46QK}

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	2026-05-18T04:05:47.150304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d94eea5af65cfc690375f61e5639e828064cbbf16427d095923086baa1757ca

Aliases

arxiv: 1108.4945 · arxiv_version: 1108.4945v1 · doi: 10.48550/arxiv.1108.4945 · pith_short_12: RWKO5JNPMXH4 · pith_short_16: RWKO5JNPMXH4NEBX · pith_short_8: RWKO5JNP

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/RWKO5JNPMXH4NEBXL5Q6KY46QK \
  | 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: 8d94eea5af65cfc690375f61e5639e828064cbbf16427d095923086baa1757ca

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7cbc16c2a2c868a64b91120decf9f6d3a18754faad3000d783cbeb6cba248870",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-08-24T20:33:04Z",
    "title_canon_sha256": "232c2b5e4e0a8cf798798d2e1b6550c19dc76e6c03d13cc6738876a98d542f60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.4945",
    "kind": "arxiv",
    "version": 1
  }
}