Pith Number

pith:WIIKR4HO

pith:2013:WIIKR4HOD6BSPKSTTINRK5NC2C

not attested not anchored not stored refs pending

A new large class of functions not APN infinitely often

Florian Caullery

arxiv:1309.7776 v1 · 2013-09-30 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WIIKR4HOD6BSPKSTTINRK5NC2C}

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	2026-05-18T03:11:48.307440Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b210a8f0ee1f8327aa539a1b1575a2d08ef3ea60a99b45a9541c4395dcbb1dcb

Aliases

arxiv: 1309.7776 · arxiv_version: 1309.7776v1 · doi: 10.48550/arxiv.1309.7776 · pith_short_12: WIIKR4HOD6BS · pith_short_16: WIIKR4HOD6BSPKST · pith_short_8: WIIKR4HO

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/WIIKR4HOD6BSPKSTTINRK5NC2C \
  | 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: b210a8f0ee1f8327aa539a1b1575a2d08ef3ea60a99b45a9541c4395dcbb1dcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aa5eb6204a6135c81fa2620feba10c26b1eade3abf30689248a88d3799599249",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2013-09-30T09:50:29Z",
    "title_canon_sha256": "93db33c1a7bb6aac699db01d521b73ef5016f90cec40774658c4e4cc115e0a11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.7776",
    "kind": "arxiv",
    "version": 1
  }
}