Pith Number

pith:SNHJKH7Z

pith:2015:SNHJKH7ZE2OMFTA5YQQCDYFJ73

not attested not anchored not stored refs pending

Convergence of a fully discrete variational scheme for a thin-film equation

Daniel Matthes, Horst Osberger

arxiv:1509.01513 v1 · 2015-09-04 · math.NA · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SNHJKH7ZE2OMFTA5YQQCDYFJ73}

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	2026-05-18T01:33:57.531545Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

934e951ff9269cc2cc1dc42021e0a9fec5205f6021f3cb4c1044f485045afb1d

Aliases

arxiv: 1509.01513 · arxiv_version: 1509.01513v1 · doi: 10.48550/arxiv.1509.01513 · pith_short_12: SNHJKH7ZE2OM · pith_short_16: SNHJKH7ZE2OMFTA5 · pith_short_8: SNHJKH7Z

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/SNHJKH7ZE2OMFTA5YQQCDYFJ73 \
  | 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: 934e951ff9269cc2cc1dc42021e0a9fec5205f6021f3cb4c1044f485045afb1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "13fdf91d883a014f8194726b95b5c06bf188b66cbf8a10c346046bec32e51b55",
    "cross_cats_sorted": [
      "math.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2015-09-04T16:06:25Z",
    "title_canon_sha256": "a2791a06b50b6ce6e02f68c1a243d34e4ea632b36291bc699fe61d85e8f70f61"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.01513",
    "kind": "arxiv",
    "version": 1
  }
}