Pith Number

pith:PUDOUI3C

pith:2015:PUDOUI3CI7QL5FTKXI6U25RSUZ

not attested not anchored not stored refs pending

Unitals in shift planes of odd order

Rocco Trombetti, Yue Zhou

arxiv:1508.07279 v1 · 2015-08-28 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PUDOUI3CI7QL5FTKXI6U25RSUZ}

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	2026-05-18T01:34:36.440435Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7d06ea236247e0be966aba3d4d7632a66f05a7411c6c57af48723515386ed044

Aliases

arxiv: 1508.07279 · arxiv_version: 1508.07279v1 · doi: 10.48550/arxiv.1508.07279 · pith_short_12: PUDOUI3CI7QL · pith_short_16: PUDOUI3CI7QL5FTK · pith_short_8: PUDOUI3C

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/PUDOUI3CI7QL5FTKXI6U25RSUZ \
  | 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: 7d06ea236247e0be966aba3d4d7632a66f05a7411c6c57af48723515386ed044

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a0d7d734bf08eb8470b12badb373b6511765b6e56351e1ed090075e434efe99",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-08-28T17:01:37Z",
    "title_canon_sha256": "191a94f92c597223808347de19726ace74ccb08c2a3c4e49f08c830be39dba73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.07279",
    "kind": "arxiv",
    "version": 1
  }
}