Pith Number

pith:OKVL4ET5

pith:2017:OKVL4ET54Q7U5SAEUIS3MSATWL

not attested not anchored not stored refs pending

Anisotropic Mesh Adaptation for Finite Element Solution of Anisotropic Porous Medium Equation

Xianping Li

arxiv:1708.07144 v1 · 2017-08-23 · 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{OKVL4ET54Q7U5SAEUIS3MSATWL}

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	2026-05-18T00:36:47.078471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72aabe127de43f4ec804a225b64813b2e3d12e8dd605bf3ff226f64bab606ac5

Aliases

arxiv: 1708.07144 · arxiv_version: 1708.07144v1 · doi: 10.48550/arxiv.1708.07144 · pith_short_12: OKVL4ET54Q7U · pith_short_16: OKVL4ET54Q7U5SAE · pith_short_8: OKVL4ET5

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/OKVL4ET54Q7U5SAEUIS3MSATWL \
  | 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: 72aabe127de43f4ec804a225b64813b2e3d12e8dd605bf3ff226f64bab606ac5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6026a79ca17842bf10c11e4fca694d4d8b8dc8543d1343d80fb92805b857a510",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2017-08-23T18:36:43Z",
    "title_canon_sha256": "caff38d1585f02d8fc50314ffa69a6bcab998707e67091cd0cc74050d62ee902"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07144",
    "kind": "arxiv",
    "version": 1
  }
}