Pith Number

pith:T4DU77Z4

pith:2012:T4DU77Z42PMP7TRHHE3DYY2X2D

not attested not anchored not stored refs pending

Benchmarking Domain-Specific Compiler Optimizations for Variational Forms

Anders Logg, Robert C. Kirby

arxiv:1205.3027 v1 · 2012-05-14 · 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{T4DU77Z42PMP7TRHHE3DYY2X2D}

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	2026-05-18T03:55:45.444201Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f074fff3cd3d8ffce2739363c6357d0db22ac1557f4277abf9a0722fc0d70e6

Aliases

arxiv: 1205.3027 · arxiv_version: 1205.3027v1 · doi: 10.48550/arxiv.1205.3027 · pith_short_12: T4DU77Z42PMP · pith_short_16: T4DU77Z42PMP7TRH · pith_short_8: T4DU77Z4

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/T4DU77Z42PMP7TRHHE3DYY2X2D \
  | 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: 9f074fff3cd3d8ffce2739363c6357d0db22ac1557f4277abf9a0722fc0d70e6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32636e0ca8d422a27444711abf99ffd5ca8e34ea024d189df49a535457b08173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2012-05-14T13:55:53Z",
    "title_canon_sha256": "35ca0a79a47afb1df5b3994cc9a4299b3efca0368192168f5601594a69053baa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3027",
    "kind": "arxiv",
    "version": 1
  }
}