Pith Number

pith:APBBDPAI

pith:1996:APBBDPAILTUH3UDIVZWEK5HJKX

not attested not anchored not stored refs pending

The characteristic exponents of the falling ball model

Nandor Simanyi

arxiv:math/9604233 v1 · 1996-04-05 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{APBBDPAILTUH3UDIVZWEK5HJKX}

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	2026-05-18T04:42:22.377001Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03c211bc085ce87dd068ae6c4574e955f3dbbcc7221e2f78bf8e99cbd0e04539

Aliases

arxiv: math/9604233 · arxiv_version: math/9604233v1 · doi: 10.48550/arxiv.math/9604233 · pith_short_12: APBBDPAILTUH · pith_short_16: APBBDPAILTUH3UDI · pith_short_8: APBBDPAI

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/APBBDPAILTUH3UDIVZWEK5HJKX \
  | 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: 03c211bc085ce87dd068ae6c4574e955f3dbbcc7221e2f78bf8e99cbd0e04539

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "acf52184096575f2bcc08b8ca64266aeec7e1a971f9ac7c0cf5c58c5291600b5",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.DS",
    "submitted_at": "1996-04-05T00:00:00Z",
    "title_canon_sha256": "6753876e71382e3a3c8dc6b1fb80551845c7692a237669b3f259938f823f87a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9604233",
    "kind": "arxiv",
    "version": 1
  }
}