Pith Number

pith:BYYANO5A

pith:2017:BYYANO5AOQJNOJH4M3T5QNXS2R

not attested not anchored not stored refs pending

Compile-Time Symbolic Differentiation Using C++ Expression Templates

Andrea Walther, Drosos Kourounis, Leonidas Gergidis, Michael Saunders, Olaf Schenk

arxiv:1705.01729 v1 · 2017-05-04 · cs.SC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BYYANO5AOQJNOJH4M3T5QNXS2R}

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	2026-05-18T00:45:02.385543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0e3006bba07412d724fc66e7d836f2d4683aeced558b240b1af30395f9a28eb1

Aliases

arxiv: 1705.01729 · arxiv_version: 1705.01729v1 · doi: 10.48550/arxiv.1705.01729 · pith_short_12: BYYANO5AOQJN · pith_short_16: BYYANO5AOQJNOJH4 · pith_short_8: BYYANO5A

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/BYYANO5AOQJNOJH4M3T5QNXS2R \
  | 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: 0e3006bba07412d724fc66e7d836f2d4683aeced558b240b1af30395f9a28eb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "650943314418f5654fe8ac020d2468e307c5f8a3029216137f66296f2d96f2fb",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SC",
    "submitted_at": "2017-05-04T08:13:30Z",
    "title_canon_sha256": "ea7399d9f26f8eafcc9ff9c541bdae57820f0ddcbbb17acfb8f23c826e2f07b9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.01729",
    "kind": "arxiv",
    "version": 1
  }
}