Pith Number

pith:6YXN63E2

pith:2016:6YXN63E2PUKX7IC2MFQVFFHNW5

not attested not anchored not stored refs pending

Numerical solution of parabolic problems based on a weak space-time formulation

Matteo Molteni, Stig Larsson

arxiv:1603.03210 v1 · 2016-03-10 · math.AP · 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{6YXN63E2PUKX7IC2MFQVFFHNW5}

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	2026-05-18T01:02:13.042620Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f62edf6c9a7d157fa05a61615294edb76bb57e6623429dcc5acc933460118496

Aliases

arxiv: 1603.03210 · arxiv_version: 1603.03210v1 · doi: 10.48550/arxiv.1603.03210 · pith_short_12: 6YXN63E2PUKX · pith_short_16: 6YXN63E2PUKX7IC2 · pith_short_8: 6YXN63E2

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/6YXN63E2PUKX7IC2MFQVFFHNW5 \
  | 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: f62edf6c9a7d157fa05a61615294edb76bb57e6623429dcc5acc933460118496

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ba97d2cd64bcac2ca9147e489405fe0741e7fdb89ba5953f968d35feb2e8ca89",
    "cross_cats_sorted": [
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AP",
    "submitted_at": "2016-03-10T10:33:40Z",
    "title_canon_sha256": "5f8753056ed557b73903e00ffc5656c61c1e092efbffd35a0d3494ddfc795a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.03210",
    "kind": "arxiv",
    "version": 1
  }
}