Pith Number

pith:HMU2SFSF

pith:2011:HMU2SFSFDYAE7LCIKPPW2KYBWT

not attested not anchored not stored refs pending

Symmetry Preserving Numerical Schemes for Partial Differential Equations and their Numerical Tests

Francis Valiquette, Rapha\"el Rebelo

arxiv:1110.5921 v1 · 2011-10-26 · math-ph · math.MP · 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{HMU2SFSFDYAE7LCIKPPW2KYBWT}

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	2026-05-18T04:10:10.166884Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b29a916451e004fac4853df6d2b01b4cb711a96838123cfca619e10b1612abe

Aliases

arxiv: 1110.5921 · arxiv_version: 1110.5921v1 · doi: 10.48550/arxiv.1110.5921 · pith_short_12: HMU2SFSFDYAE · pith_short_16: HMU2SFSFDYAE7LCI · pith_short_8: HMU2SFSF

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/HMU2SFSFDYAE7LCIKPPW2KYBWT \
  | 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: 3b29a916451e004fac4853df6d2b01b4cb711a96838123cfca619e10b1612abe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9db69ce22494d435c114dd3dcb97dc83057d1188a301e985b786e1248e34832",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2011-10-26T20:14:39Z",
    "title_canon_sha256": "fc537b9e4e40a8028449693d3ac11901a54d3807735ec2b1d295703d0919fd71"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1110.5921",
    "kind": "arxiv",
    "version": 1
  }
}