Pith Number

pith:WH4WHXEN

pith:2016:WH4WHXENH5U5JVSRRR2GRZP43Z

not attested not anchored not stored refs pending

Devito: Towards a generic Finite Difference DSL using Symbolic Python

Fabio Luporini, Felippe Vieira, Gerard Gorman, Mathias Louboutin, Michael Lange, Navjot Kukreja, Paulius Kazakas, Paulius Velesko, Vincenzo Pandolfo

arxiv:1609.03361 v1 · 2016-09-12 · cs.MS · cs.PF

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WH4WHXENH5U5JVSRRR2GRZP43Z}

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	2026-05-18T01:04:47.119674Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b1f963dc8d3f69d4d6518c7468e5fcde7c3bea515f37ec4c10c44bdb82d21cbb

Aliases

arxiv: 1609.03361 · arxiv_version: 1609.03361v1 · doi: 10.48550/arxiv.1609.03361 · pith_short_12: WH4WHXENH5U5 · pith_short_16: WH4WHXENH5U5JVSR · pith_short_8: WH4WHXEN

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/WH4WHXENH5U5JVSRRR2GRZP43Z \
  | 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: b1f963dc8d3f69d4d6518c7468e5fcde7c3bea515f37ec4c10c44bdb82d21cbb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8d1b2df6ba59bd19823ec85e4222ca29b123560710e088719c6cc45124876db",
    "cross_cats_sorted": [
      "cs.PF"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2016-09-12T12:15:36Z",
    "title_canon_sha256": "d56a700046c814cdbba360a835ca21d1263aa3149b792801ad82bbc23538a985"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03361",
    "kind": "arxiv",
    "version": 1
  }
}