Pith Number

pith:W2UHBZRT

pith:2018:W2UHBZRTQCZ2D22J5NTXV5MSSY

not attested not anchored not stored refs pending

Numerical approximation of curve evolutions in Riemannian manifolds

Harald Garcke, John W. Barrett, Robert N\"urnberg

arxiv:1809.01973 v1 · 2018-09-06 · math.NA · cs.NA · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W2UHBZRTQCZ2D22J5NTXV5MSSY}

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	2026-06-04T20:13:18.062958Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b6a870e63380b3a1eb49eb677af5929609d80aff7e3f8e4213f2b836bd8f5860

Aliases

arxiv: 1809.01973 · arxiv_version: 1809.01973v1 · doi: 10.48550/arxiv.1809.01973 · pith_short_12: W2UHBZRTQCZ2 · pith_short_16: W2UHBZRTQCZ2D22J · pith_short_8: W2UHBZRT

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/W2UHBZRTQCZ2D22J5NTXV5MSSY \
  | 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: b6a870e63380b3a1eb49eb677af5929609d80aff7e3f8e4213f2b836bd8f5860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe30afbbf826fb073155688062f35fe63c3e100224b9df0fa37bf2003321f980",
    "cross_cats_sorted": [
      "cs.NA",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2018-09-06T13:28:58Z",
    "title_canon_sha256": "2aed1dcac6e79049a423d5fe7aceaa78da204061b1c9258d0f399cdbfaf9f3a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.01973",
    "kind": "arxiv",
    "version": 1
  }
}