Pith Number

pith:4QU4TDWY

pith:2011:4QU4TDWY5GDOKYGPY5GHFH6FMH

not attested not anchored not stored refs pending

Newtonian Flow in Converging-Diverging Capillaries

Taha Sochi

arxiv:1108.0163 v2 · 2011-07-31 · math-ph · math.MP · physics.flu-dyn

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4QU4TDWY5GDOKYGPY5GHFH6FMH}

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	2026-05-18T03:27:33.114826Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e429c98ed8e986e560cfc74c729fc561c87b98f410474efa7a3544847bbf41e5

Aliases

arxiv: 1108.0163 · arxiv_version: 1108.0163v2 · doi: 10.48550/arxiv.1108.0163 · pith_short_12: 4QU4TDWY5GDO · pith_short_16: 4QU4TDWY5GDOKYGP · pith_short_8: 4QU4TDWY

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/4QU4TDWY5GDOKYGPY5GHFH6FMH \
  | 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: e429c98ed8e986e560cfc74c729fc561c87b98f410474efa7a3544847bbf41e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "50b6fded95cf60680db07ad0f0456e95b6ef32b90e7ecb3f2f7b7ede18a266db",
    "cross_cats_sorted": [
      "math.MP",
      "physics.flu-dyn"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-07-31T10:45:42Z",
    "title_canon_sha256": "a1208bb6b1bfbbf1df186a522336d092724dc0cab89e7e8ec619f835cafb3e87"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.0163",
    "kind": "arxiv",
    "version": 2
  }
}