Pith Number

pith:QDDJQ27G

pith:2016:QDDJQ27GV3U7FF4FSGJBG3LEZN

not attested not anchored not stored refs pending

Second-Order Self-Adjoint Differential Equations Using a Conformable Proportional Derivative

Douglas R. Anderson

arxiv:1607.07354 v1 · 2016-07-25 · math.CA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDDJQ27GV3U7FF4FSGJBG3LEZN}

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	2026-05-18T01:10:34.143617Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80c6986be6aee9f297859192136d64cb69118472e07d1a71f1341c6a8b431c72

Aliases

arxiv: 1607.07354 · arxiv_version: 1607.07354v1 · doi: 10.48550/arxiv.1607.07354 · pith_short_12: QDDJQ27GV3U7 · pith_short_16: QDDJQ27GV3U7FF4F · pith_short_8: QDDJQ27G

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/QDDJQ27GV3U7FF4FSGJBG3LEZN \
  | 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: 80c6986be6aee9f297859192136d64cb69118472e07d1a71f1341c6a8b431c72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e98731b8b6eebfc1453bdf92396fe8a4e1bc93dc2c4bdf50054d98f50b21d06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2016-07-25T16:38:35Z",
    "title_canon_sha256": "e29af4306e15a3b2f6ec2cae46bf14b80e769f746f402f1a40c1203df852b38c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07354",
    "kind": "arxiv",
    "version": 1
  }
}