Pith Number

pith:OZCJ26ZV

pith:2026:OZCJ26ZVHAKUOIJ5S4EZKOPEZZ

not attested not anchored not stored refs pending

Empirical mathematics in Australian Indigenous Smoke Telegraphy

Rowena Ball

arxiv:2603.26037 v2 · 2026-03-27 · 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{OZCJ26ZVHAKUOIJ5S4EZKOPEZZ}

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	2026-06-25T01:17:52.308145Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

76449d7b35381547213d97099539e4ce414a4804ccda6820d87ce37eb206e904

Aliases

arxiv: 2603.26037 · arxiv_version: 2603.26037v2 · doi: 10.48550/arxiv.2603.26037 · pith_short_12: OZCJ26ZVHAKU · pith_short_16: OZCJ26ZVHAKUOIJ5 · pith_short_8: OZCJ26ZV

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/OZCJ26ZVHAKUOIJ5S4EZKOPEZZ \
  | 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: 76449d7b35381547213d97099539e4ce414a4804ccda6820d87ce37eb206e904

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d54a25553ae4fd217d49f593a1f43adbd84dae10349dfcbb7f6434156d42e43",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.HO",
    "submitted_at": "2026-03-27T03:16:45Z",
    "title_canon_sha256": "b38113cbb97364bdd36060d18672307153c6f55fd2bc992462d8f6ce25c8c32c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2603.26037",
    "kind": "arxiv",
    "version": 2
  }
}