Pith Number

pith:L26DY23E

pith:2011:L26DY23EHNSFVQVI7WTBSA46NI

not attested not anchored not stored refs pending

Computation of the drag force on a rough sphere close to a wall

David G\'erard-Varet (IMJ), Matthieu Hillairet (CEREMADE)

arxiv:1103.0864 v1 · 2011-03-04 · math.AP · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{L26DY23EHNSFVQVI7WTBSA46NI}

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	2026-05-18T04:27:16.000687Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5ebc3c6b643b645ac2a8fda619039e6a309252cf2c7545c034ff8be07bf4a8d9

Aliases

arxiv: 1103.0864 · arxiv_version: 1103.0864v1 · doi: 10.48550/arxiv.1103.0864 · pith_short_12: L26DY23EHNSF · pith_short_16: L26DY23EHNSFVQVI · pith_short_8: L26DY23E

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/L26DY23EHNSFVQVI7WTBSA46NI \
  | 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: 5ebc3c6b643b645ac2a8fda619039e6a309252cf2c7545c034ff8be07bf4a8d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e60c10edd1b271eab2c7e3e77f8be6999f75e25c2cbeb37b5f978bcf9a482aab",
    "cross_cats_sorted": [
      "physics.class-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2011-03-04T11:13:06Z",
    "title_canon_sha256": "fce888c5cc80a277f2b6c2349c51931ebfc68dba663f5e8ffa0e63f2a6885b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0864",
    "kind": "arxiv",
    "version": 1
  }
}