Pith Number

pith:HFCYE5XU

pith:2014:HFCYE5XU2VU3MWAA44WEEZS4DN

not attested not anchored not stored refs pending

Analysis of a New Space-Time Parallel Multigrid Algorithm for Parabolic Problems

Martin J. Gander, Martin Neum\"uller

arxiv:1411.0519 v1 · 2014-11-03 · 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{HFCYE5XU2VU3MWAA44WEEZS4DN}

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	2026-05-18T02:38:45.261555Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

39458276f4d569b65800e72c42665c1b446568f676dbfb3a11a2514e1425006c

Aliases

arxiv: 1411.0519 · arxiv_version: 1411.0519v1 · doi: 10.48550/arxiv.1411.0519 · pith_short_12: HFCYE5XU2VU3 · pith_short_16: HFCYE5XU2VU3MWAA · pith_short_8: HFCYE5XU

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/HFCYE5XU2VU3MWAA44WEEZS4DN \
  | 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: 39458276f4d569b65800e72c42665c1b446568f676dbfb3a11a2514e1425006c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e22e99770f761870d4c1e66f621ca213fe5a3b080f8f65ea4e77ec746c521019",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-11-03T15:09:06Z",
    "title_canon_sha256": "81eec977c09cea07779c56c7aeb47a0b46570887e040ea799175f8650620dce9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.0519",
    "kind": "arxiv",
    "version": 1
  }
}