Pith Number

pith:H5VLAKVT

pith:2014:H5VLAKVT2JUE2VWDVK52G5F4VP

not attested not anchored not stored refs pending

Self-adjointness and conservation laws of difference equations

Linyu Peng

arxiv:1405.4947 v1 · 2014-05-20 · math-ph · math.MP · 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{H5VLAKVT2JUE2VWDVK52G5F4VP}

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	2026-05-17T23:41:28.214880Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f6ab02ab3d2684d56c3aabba374bcabcb01fa009823dce594abf07e8964c197

Aliases

arxiv: 1405.4947 · arxiv_version: 1405.4947v1 · doi: 10.48550/arxiv.1405.4947 · pith_short_12: H5VLAKVT2JUE · pith_short_16: H5VLAKVT2JUE2VWD · pith_short_8: H5VLAKVT

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/H5VLAKVT2JUE2VWDVK52G5F4VP \
  | 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: 3f6ab02ab3d2684d56c3aabba374bcabcb01fa009823dce594abf07e8964c197

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256557de0395f384d3daa89d3e938ffbb50839c05db9f693044008da03b44782",
    "cross_cats_sorted": [
      "math.MP",
      "math.NA"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2014-05-20T04:23:06Z",
    "title_canon_sha256": "bf59c98ce6d89421a8a4dcfc56276508443d8e21524f4c2dbbde81fef67236c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1405.4947",
    "kind": "arxiv",
    "version": 1
  }
}