Pith Number

pith:7FV5E6QC

pith:2018:7FV5E6QC6CTCVTNEKQZGYTG7IJ

not attested not anchored not stored refs pending

Comparison of a finite-element and finite-volume scheme for a degenerate cross-diffusion system for ion transport

Anita Gerstenmayer, Ansgar J\"ungel

arxiv:1812.05849 v1 · 2018-12-14 · 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{7FV5E6QC6CTCVTNEKQZGYTG7IJ}

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	2026-05-17T23:58:17.945811Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f96bd27a02f0a62acda454326c4cdf427c888ba1eec4a38273e6126ec1b66f10

Aliases

arxiv: 1812.05849 · arxiv_version: 1812.05849v1 · doi: 10.48550/arxiv.1812.05849 · pith_short_12: 7FV5E6QC6CTC · pith_short_16: 7FV5E6QC6CTCVTNE · pith_short_8: 7FV5E6QC

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/7FV5E6QC6CTCVTNEKQZGYTG7IJ \
  | 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: f96bd27a02f0a62acda454326c4cdf427c888ba1eec4a38273e6126ec1b66f10

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ed27d9f9a14fd2e48210863b14aa83c197745fcdbd5168feeabfd1f9fa8391d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-12-14T10:23:50Z",
    "title_canon_sha256": "c55e0d08be3ff02d23f2d210dc81d71fe1302ae2d9a85eab6394a16aed71565b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.05849",
    "kind": "arxiv",
    "version": 1
  }
}