Pith Number

pith:CNMWEQ3P

pith:2012:CNMWEQ3PZ2SA67TMDITCDEV7VY

not attested not anchored not stored refs pending

Efficient Expression Templates for Operator Overloading-based Automatic Differentiation

Eric Phipps, Roger Pawlowski

arxiv:1205.3506 v1 · 2012-05-15 · cs.MS · cs.CE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CNMWEQ3PZ2SA67TMDITCDEV7VY}

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	2026-05-18T03:55:22.943352Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

135962436fcea40f7e6c1a262192bfae22fba54c0be63bd48cbc5d957d56f68b

Aliases

arxiv: 1205.3506 · arxiv_version: 1205.3506v1 · doi: 10.48550/arxiv.1205.3506 · pith_short_12: CNMWEQ3PZ2SA · pith_short_16: CNMWEQ3PZ2SA67TM · pith_short_8: CNMWEQ3P

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/CNMWEQ3PZ2SA67TMDITCDEV7VY \
  | 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: 135962436fcea40f7e6c1a262192bfae22fba54c0be63bd48cbc5d957d56f68b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fe01ed2659ada4421b7d9c029502818b5b249618ebb4df273a6f6ade27ef4a3",
    "cross_cats_sorted": [
      "cs.CE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.MS",
    "submitted_at": "2012-05-15T20:42:23Z",
    "title_canon_sha256": "3d33cc5ffb772e13bcf9b203f4b31943592c5f1ca0574c51c94d20cf9e02d934"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.3506",
    "kind": "arxiv",
    "version": 1
  }
}