Pith Number

pith:3HI7HX4Y

pith:2014:3HI7HX4YZRJTD2P6TZXWWBKBZJ

not attested not anchored not stored refs pending

The expanded mixed finite element method for generalized Forchheimer flows in porous media

Akif Ibragimov, Thinh T. Kieu

arxiv:1409.8274 v1 · 2014-09-27 · math.NA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3HI7HX4YZRJTD2P6TZXWWBKBZJ}

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	2026-05-18T02:41:25.665075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d9d1f3df98cc5331e9fe9e6f6b0541ca6759ae3cd83e0e6e332358d7fec82252

Aliases

arxiv: 1409.8274 · arxiv_version: 1409.8274v1 · doi: 10.48550/arxiv.1409.8274 · pith_short_12: 3HI7HX4YZRJT · pith_short_16: 3HI7HX4YZRJTD2P6 · pith_short_8: 3HI7HX4Y

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/3HI7HX4YZRJTD2P6TZXWWBKBZJ \
  | 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: d9d1f3df98cc5331e9fe9e6f6b0541ca6759ae3cd83e0e6e332358d7fec82252

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14401f872b9f9e54b9be4481471d883f616328060ba9c4bb8e6adf31ec9f1231",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-09-27T16:35:54Z",
    "title_canon_sha256": "ae9c4735e4496b48fb7dae0061db9607658ba4cb687abf827991e6fc4c0e034c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8274",
    "kind": "arxiv",
    "version": 1
  }
}