Pith Number

pith:GF4M2OUU

pith:2018:GF4M2OUUBY4EKP74RYNBDHMUSF

not attested not anchored not stored refs pending

Well-posedness and stability results for some periodic Muskat problems

Bogdan-Vasile Matioc

arxiv:1804.10403 v1 · 2018-04-27 · 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{GF4M2OUUBY4EKP74RYNBDHMUSF}

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	2026-05-18T00:17:20.892106Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3178cd3a940e38453ffc8e1a119d949153e16de5c2dd8b0eb8b6687205612d35

Aliases

arxiv: 1804.10403 · arxiv_version: 1804.10403v1 · doi: 10.48550/arxiv.1804.10403 · pith_short_12: GF4M2OUUBY4E · pith_short_16: GF4M2OUUBY4EKP74 · pith_short_8: GF4M2OUU

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/GF4M2OUUBY4EKP74RYNBDHMUSF \
  | 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: 3178cd3a940e38453ffc8e1a119d949153e16de5c2dd8b0eb8b6687205612d35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9e265a58348c1a9c4934ff09ee9064eee7b878ce380473ed5f7f2c51c1e8b30e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2018-04-27T09:00:42Z",
    "title_canon_sha256": "c4bbac5f28a523e3d5475f979a5eb1d427ca8c940ef3e9262d6c5dbcabbb088d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10403",
    "kind": "arxiv",
    "version": 1
  }
}