Pith Number

pith:VQM7HVB7

pith:2019:VQM7HVB7EGZNJZGOV3QSKA7GRR

not attested not anchored not stored refs pending

A conservative, consistent, and scalable meshfree mimetic method

Mauro Perego, Nathaniel Trask, Pavel Bochev

arxiv:1903.04621 v1 · 2019-03-11 · math.NA · cs.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{VQM7HVB7EGZNJZGOV3QSKA7GRR}

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	2026-06-04T20:14:12.258960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac19f3d43f21b2d4e4ceaee12503e68c523d6488c56b765467799330ece89a85

Aliases

arxiv: 1903.04621 · arxiv_version: 1903.04621v1 · doi: 10.48550/arxiv.1903.04621 · pith_short_12: VQM7HVB7EGZN · pith_short_16: VQM7HVB7EGZNJZGO · pith_short_8: VQM7HVB7

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/VQM7HVB7EGZNJZGOV3QSKA7GRR \
  | 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: ac19f3d43f21b2d4e4ceaee12503e68c523d6488c56b765467799330ece89a85

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5d66c87a2c7da0cbcb41e8b14e4ceb6ba8fc6071aea165a04662d46579479c93",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-03-11T21:50:56Z",
    "title_canon_sha256": "467787d14bb000ed50f5ecfa2fa1e44378da4311bcbde7e37582f81efdaa5fca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.04621",
    "kind": "arxiv",
    "version": 1
  }
}