Pith Number

pith:U7KXFE7T

pith:2013:U7KXFE7TKW53TTQ53OJH6JJ4WM

not attested not anchored not stored refs pending

Stability of the parametric fundamental equation of information for nonpositive parameters

Eszter Gselmann, Gyula Maksa

arxiv:1307.0656 v1 · 2013-07-02 · 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{U7KXFE7TKW53TTQ53OJH6JJ4WM}

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	2026-05-18T03:19:24.880297Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7d57293f355bbb9ce1ddb927f253cb30c7415ccf7d0b14ce7a60a2c0d67885c

Aliases

arxiv: 1307.0656 · arxiv_version: 1307.0656v1 · doi: 10.48550/arxiv.1307.0656 · pith_short_12: U7KXFE7TKW53 · pith_short_16: U7KXFE7TKW53TTQ5 · pith_short_8: U7KXFE7T

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/U7KXFE7TKW53TTQ53OJH6JJ4WM \
  | 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: a7d57293f355bbb9ce1ddb927f253cb30c7415ccf7d0b14ce7a60a2c0d67885c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90d3f076bfe7bf99f49517d900cf9808fac5cf2463985afc1019b590fb4b4c16",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-02T10:07:06Z",
    "title_canon_sha256": "9315db6d9676fc72ce815aace3cb2a8eb41b135b7b41cb80fe8f87635bc3a13c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0656",
    "kind": "arxiv",
    "version": 1
  }
}