Pith Number

pith:OSGTTES2

pith:2015:OSGTTES2U3DW3THZABDXRTCIWI

not attested not anchored not stored refs pending

On the mesh nonsingularity of the moving mesh PDE method

Lennard Kamenski, Weizhang Huang

arxiv:1512.04971 v2 · 2015-12-15 · 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{OSGTTES2U3DW3THZABDXRTCIWI}

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	2026-05-18T00:18:05.521294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

748d39925aa6c76dccf9004778cc48b22bbf3e2fedf143d6328e2ff4d08539da

Aliases

arxiv: 1512.04971 · arxiv_version: 1512.04971v2 · doi: 10.48550/arxiv.1512.04971 · pith_short_12: OSGTTES2U3DW · pith_short_16: OSGTTES2U3DW3THZ · pith_short_8: OSGTTES2

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/OSGTTES2U3DW3THZABDXRTCIWI \
  | 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: 748d39925aa6c76dccf9004778cc48b22bbf3e2fedf143d6328e2ff4d08539da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a07877413c3744b72dac777958ceee289d27a481f88b847da1430f311c315090",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-12-15T21:20:54Z",
    "title_canon_sha256": "0695898a8ab1c0444ce8da9ca787c833edd16e9664809ab4f614ff11af23d2d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.04971",
    "kind": "arxiv",
    "version": 2
  }
}