Pith Number

pith:NDCBU5P6

pith:2019:NDCBU5P6RRDRS36PZBO546G24D

not attested not anchored not stored refs pending

A Glimpse of Arithmetic Dynamics

Mark Poston, Ryan E. Grady

arxiv:1908.01831 v1 · 2019-08-05 · math.HO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NDCBU5P6RRDRS36PZBO546G24D}

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	2026-07-05T05:09:10.541976Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68c41a75fe8c47196fcfc85dde78dae0e3ced4f5e1e0fa112ede5673896affb5

Aliases

arxiv: 1908.01831 · arxiv_version: 1908.01831v1 · doi: 10.48550/arxiv.1908.01831 · pith_short_12: NDCBU5P6RRDR · pith_short_16: NDCBU5P6RRDRS36P · pith_short_8: NDCBU5P6

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/NDCBU5P6RRDRS36PZBO546G24D \
  | 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: 68c41a75fe8c47196fcfc85dde78dae0e3ced4f5e1e0fa112ede5673896affb5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2954c58815687ff6dc025fc5860cd1864b82517e6affeeb58fe17a8f03d1bf7f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2019-08-05T20:11:22Z",
    "title_canon_sha256": "13988fe39600e7729238d9fe75adc8e11928682b379fc51a6c1aca50d613d4a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01831",
    "kind": "arxiv",
    "version": 1
  }
}