Pith Number

pith:6HEKOFBX

pith:2014:6HEKOFBXISSOBNYOW5QV5DPQFQ

not attested not anchored not stored refs pending

Anisotropic Diffusion on Curved Surfaces

Colin B. Macdonald, Emma Naden, Thomas M\"arz

arxiv:1403.2131 v2 · 2014-03-10 · 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{6HEKOFBXISSOBNYOW5QV5DPQFQ}

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	2026-05-18T02:54:46.453611Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f1c8a7143744a4e0b70eb7615e8df02c0725912c59304e99095fdf034a2dfb43

Aliases

arxiv: 1403.2131 · arxiv_version: 1403.2131v2 · doi: 10.48550/arxiv.1403.2131 · pith_short_12: 6HEKOFBXISSO · pith_short_16: 6HEKOFBXISSOBNYO · pith_short_8: 6HEKOFBX

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/6HEKOFBXISSOBNYOW5QV5DPQFQ \
  | 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: f1c8a7143744a4e0b70eb7615e8df02c0725912c59304e99095fdf034a2dfb43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e0740aa8824e31ec2ad000158de6b699b15a4c1f4e4c1b5a584351cb01cb957c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2014-03-10T02:36:14Z",
    "title_canon_sha256": "f16fc12bc758cb8471fd925d9fb91d049534c838cde6e3036232d89d9ad4cace"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.2131",
    "kind": "arxiv",
    "version": 2
  }
}