Pith Number

pith:3JFCUOIB

pith:2013:3JFCUOIBZTAT4OWWQ3T3HO64LT

not attested not anchored not stored refs pending

General and alien solutions of a functional equation and of a functional inequality

Eszter Gselmann, W{\l}odzimierz Fechner

arxiv:1307.0653 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{3JFCUOIBZTAT4OWWQ3T3HO64LT}

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	2026-05-18T03:19:24.904409Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

da4a2a3901ccc13e3ad686e7b3bbdc5ce62df6a5a44ceb01f9bd65cd88fe6f23

Aliases

arxiv: 1307.0653 · arxiv_version: 1307.0653v1 · doi: 10.48550/arxiv.1307.0653 · pith_short_12: 3JFCUOIBZTAT · pith_short_16: 3JFCUOIBZTAT4OWW · pith_short_8: 3JFCUOIB

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/3JFCUOIBZTAT4OWWQ3T3HO64LT \
  | 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: da4a2a3901ccc13e3ad686e7b3bbdc5ce62df6a5a44ceb01f9bd65cd88fe6f23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "818855adf7f80a922ebf5a4f33b5ae022915c7ffbaa4a01a815032c76c960eaa",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "math.CA",
    "submitted_at": "2013-07-02T10:00:12Z",
    "title_canon_sha256": "4133703b33735b9d2d0e9128dc03821926016a168dde26312d4dee02a9fa40f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0653",
    "kind": "arxiv",
    "version": 1
  }
}