Pith Number

pith:NXDL23YQ

pith:2012:NXDL23YQWEAATS6GVHBJHI4FGQ

not attested not anchored not stored refs pending

A thin film approximation of the Muskat problem with gravity and capillary forces

Bogdan-Vasile Matioc, Philippe Laurencot (IMT)

arxiv:1206.5600 v1 · 2012-06-25 · 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{NXDL23YQWEAATS6GVHBJHI4FGQ}

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	2026-05-18T03:52:39.588824Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6dc6bd6f10b10009cbc6a9c293a38534063f6de180dc33227cec7aeee5b6d8b5

Aliases

arxiv: 1206.5600 · arxiv_version: 1206.5600v1 · doi: 10.48550/arxiv.1206.5600 · pith_short_12: NXDL23YQWEAA · pith_short_16: NXDL23YQWEAATS6G · pith_short_8: NXDL23YQ

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/NXDL23YQWEAATS6GVHBJHI4FGQ \
  | 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: 6dc6bd6f10b10009cbc6a9c293a38534063f6de180dc33227cec7aeee5b6d8b5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ad31bc8e3357ad8718c08639ea91d6262653ea1803376f53937623604ced025",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2012-06-25T08:01:59Z",
    "title_canon_sha256": "45905307dc0b408e6811a5f15b46fe6d7da452ce3b8933b16de72a6765312b1b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1206.5600",
    "kind": "arxiv",
    "version": 1
  }
}