Pith Number

pith:GRZ34RTZ

pith:2014:GRZ34RTZQY4Q3LUW2PFN6ZP7Y3

not attested not anchored not stored refs pending

Self-similarity in a thin film Muskat problem

Bogdan-Vasile Matioc (IFAM), Philippe Laurencot (IMT)

arxiv:1409.7329 v1 · 2014-09-25 · math.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GRZ34RTZQY4Q3LUW2PFN6ZP7Y3}

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	2026-05-18T02:41:58.648465Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3473be467986390dae96d3cadf65ffc6d10d259984b8da0bc2db0874168efd0c

Aliases

arxiv: 1409.7329 · arxiv_version: 1409.7329v1 · doi: 10.48550/arxiv.1409.7329 · pith_short_12: GRZ34RTZQY4Q · pith_short_16: GRZ34RTZQY4Q3LUW · pith_short_8: GRZ34RTZ

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/GRZ34RTZQY4Q3LUW2PFN6ZP7Y3 \
  | 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: 3473be467986390dae96d3cadf65ffc6d10d259984b8da0bc2db0874168efd0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8a7c6838f61819f796d61ece224acfdc2f08f24ab0d529dab1af2f3dba0d9d9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2014-09-25T17:03:38Z",
    "title_canon_sha256": "fffa91862ca8de7f65a378e6bc9fafaaf4f2673a3e414b732afa0547192ea85f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7329",
    "kind": "arxiv",
    "version": 1
  }
}