Pith Number

pith:S2MVZ6QP

pith:2016:S2MVZ6QP3WM3NBPP5JIAE6X2GG

not attested not anchored not stored refs pending

Structure-preserving mesh coupling based on the Buffa-Christiansen complex

Lauri Kettunen, Ossi Niemim\"aki, Stefan Kurz

arxiv:1602.04385 v1 · 2016-02-13 · 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{S2MVZ6QP3WM3NBPP5JIAE6X2GG}

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	2026-05-18T01:20:51.060634Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

96995cfa0fdd99b685efea50027afa3193b3eaf57a33d3361738d49311ab025e

Aliases

arxiv: 1602.04385 · arxiv_version: 1602.04385v1 · doi: 10.48550/arxiv.1602.04385 · pith_short_12: S2MVZ6QP3WM3 · pith_short_16: S2MVZ6QP3WM3NBPP · pith_short_8: S2MVZ6QP

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/S2MVZ6QP3WM3NBPP5JIAE6X2GG \
  | 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: 96995cfa0fdd99b685efea50027afa3193b3eaf57a33d3361738d49311ab025e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c8a385738ea13b5ceaf7a69ee429f268c8a8ee760693091bcf2b603a4af423b5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2016-02-13T21:38:25Z",
    "title_canon_sha256": "c20663064a80e8efde81be8ccc45746473fee13dc619b712cb68942acbeb4bc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.04385",
    "kind": "arxiv",
    "version": 1
  }
}