Pith Number

pith:BATYSBDZ

pith:2014:BATYSBDZYGVNUKRVYEOB4UZVMR

not attested not anchored not stored refs pending

Experts' understanding of partial derivatives using the Partial Derivative Machine

Allison Dorko, Corinne A. Manogue, David Roundy, Eric Weber, Tevian Dray

arxiv:1409.8351 v1 · 2014-09-29 · physics.ed-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BATYSBDZYGVNUKRVYEOB4UZVMR}

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	2026-05-18T01:29:05.077988Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0827890479c1aada2a35c11c1e53356471f664113a88ac3a8459592cd1dce2f6

Aliases

arxiv: 1409.8351 · arxiv_version: 1409.8351v1 · doi: 10.48550/arxiv.1409.8351 · pith_short_12: BATYSBDZYGVN · pith_short_16: BATYSBDZYGVNUKRV · pith_short_8: BATYSBDZ

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/BATYSBDZYGVNUKRVYEOB4UZVMR \
  | 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: 0827890479c1aada2a35c11c1e53356471f664113a88ac3a8459592cd1dce2f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995b8d49f0fa45f429e55a7eeb004296d91d1a4af2f0aac4750179fdd2e14bc0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.ed-ph",
    "submitted_at": "2014-09-29T23:35:35Z",
    "title_canon_sha256": "aa38861d3c01874debb3d73ac1fdd7164743937c2fd40b1759b8d3943644b8ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.8351",
    "kind": "arxiv",
    "version": 1
  }
}