Pith Number

pith:I2KW5IYJ

pith:2014:I2KW5IYJYPZHLUXEBCX4W6UEIQ

not attested not anchored not stored refs pending

Extended Lubrication Theory: Improved Estimates of Flow in Channels with Variable Geometry

Behrouz Tavakol, Douglas P. Holmes, Guillaume Froehlicher, Howard A. Stone

arxiv:1403.2343 v2 · 2014-03-10 · 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{I2KW5IYJYPZHLUXEBCX4W6UEIQ}

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	2026-05-18T00:52:02.427500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

46956ea309c3f275d2e408afcb7a84441239e69f837362309b7e082aff286851

Aliases

arxiv: 1403.2343 · arxiv_version: 1403.2343v2 · doi: 10.48550/arxiv.1403.2343 · pith_short_12: I2KW5IYJYPZH · pith_short_16: I2KW5IYJYPZHLUXE · pith_short_8: I2KW5IYJ

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/I2KW5IYJYPZHLUXEBCX4W6UEIQ \
  | 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: 46956ea309c3f275d2e408afcb7a84441239e69f837362309b7e082aff286851

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4aee5f49268d877054ba910da5dcc80853fad08cb1d8956eda6cfc4923fd6a17",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2014-03-10T18:55:33Z",
    "title_canon_sha256": "f6a1f6df8e30804d90947e48c5c59cca0864f8eee37ae3e4f8b09c43c10e24c7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2343",
    "kind": "arxiv",
    "version": 2
  }
}