Pith Number

pith:2NDOW4HD

pith:2012:2NDOW4HDYT5PGULUYLW54SLMIY

not attested not anchored not stored refs pending

Asymptotic expansion of the solution of the steady Stokes equation with variable viscosity in a two-dimensional tube structure

G. Cardone, G. P. Panasenko, R. Fares

arxiv:1201.2121 v1 · 2012-01-10 · math.AP · math-ph · math.MP

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2NDOW4HDYT5PGULUYLW54SLMIY}

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	2026-05-18T02:55:48.704072Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d346eb70e3c4faf35174c2edde496c461cb392a91df99ee82f2c69bc269afbe4

Aliases

arxiv: 1201.2121 · arxiv_version: 1201.2121v1 · doi: 10.48550/arxiv.1201.2121 · pith_short_12: 2NDOW4HDYT5P · pith_short_16: 2NDOW4HDYT5PGULU · pith_short_8: 2NDOW4HD

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/2NDOW4HDYT5PGULUYLW54SLMIY \
  | 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: d346eb70e3c4faf35174c2edde496c461cb392a91df99ee82f2c69bc269afbe4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7bcf1ebd11600eb5d3dac2d63006d3a656b9466131a4e9b6fd791d647d08e7bb",
    "cross_cats_sorted": [
      "math-ph",
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-01-10T17:24:30Z",
    "title_canon_sha256": "11507fcca5c0d72d260d78921a56ecfe89e4c5ee806983753d2a3621112729ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2121",
    "kind": "arxiv",
    "version": 1
  }
}