Pith Number

pith:IF4I274I

pith:2018:IF4I274ITYSAPMIJTQ7JGZE4HY

not attested not anchored not stored refs pending

Diffusion-driven transition between two regimes of viscous fingering

Sidney R. Nagel, Thomas E. Videb{\ae}k

arxiv:1803.07597 v2 · 2018-03-20 · 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{IF4I274ITYSAPMIJTQ7JGZE4HY}

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	2026-05-17T23:49:43.973906Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41788d7f889e2407b1099c3e93649c3e358bb5279d4ef80792992a75a1ed7d5e

Aliases

arxiv: 1803.07597 · arxiv_version: 1803.07597v2 · doi: 10.48550/arxiv.1803.07597 · pith_short_12: IF4I274ITYSA · pith_short_16: IF4I274ITYSAPMIJ · pith_short_8: IF4I274I

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/IF4I274ITYSAPMIJTQ7JGZE4HY \
  | 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: 41788d7f889e2407b1099c3e93649c3e358bb5279d4ef80792992a75a1ed7d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d307b98e3e2384e4bc9979eef89a49c18e714f1b5c9e6ec40a0ed09f6759e321",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.flu-dyn",
    "submitted_at": "2018-03-20T18:33:52Z",
    "title_canon_sha256": "bd9ff4a810fe1226347371097574fd94bb691c933b3595447ca82ee5ae3a81a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.07597",
    "kind": "arxiv",
    "version": 2
  }
}