Pith Number

pith:NR7PELKW

pith:2018:NR7PELKWJYAVNA7XZPZJUM3XFS

not attested not anchored not stored refs pending

Time discretization schemes for hyperbolic systems on networks by $\epsilon$-expansion

Christoph Zimmer, Robert Altmann

arxiv:1810.04278 v2 · 2018-10-09 · 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{NR7PELKWJYAVNA7XZPZJUM3XFS}

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	2026-05-17T23:55:42.520050Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c7ef22d564e015683f7cbf29a33772c8316a6260437ab469a3cc72300c36d1f

Aliases

arxiv: 1810.04278 · arxiv_version: 1810.04278v2 · doi: 10.48550/arxiv.1810.04278 · pith_short_12: NR7PELKWJYAV · pith_short_16: NR7PELKWJYAVNA7X · pith_short_8: NR7PELKW

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/NR7PELKWJYAVNA7XZPZJUM3XFS \
  | 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: 6c7ef22d564e015683f7cbf29a33772c8316a6260437ab469a3cc72300c36d1f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ff2a1fab9308f34099c497f85253d313b2709a032529dbcbe6700ba33f5b53e8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-10-09T22:15:59Z",
    "title_canon_sha256": "9cefa35f46d8497d872ba42dd250a69faee8e204ee9c9c2f1acd63d8eae2363c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04278",
    "kind": "arxiv",
    "version": 2
  }
}