Pith Number

pith:3RVNWWO4

pith:2021:3RVNWWO4CKY624CLOX5DCQCD5R

not attested not anchored not stored refs pending

On digraphs with polygonal restricted numerical range

Alexander Wiedemann, Ben Small, H. Tracy Hall, Thomas R. Cameron

arxiv:2106.00701 v1 · 2021-06-01 · 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{3RVNWWO4CKY624CLOX5DCQCD5R}

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	2026-07-05T02:45:39.135563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dc6adb59dc12b1ed704b75fa314043ec7ae5ba6292564f3e214a28279216a527

Aliases

arxiv: 2106.00701 · arxiv_version: 2106.00701v1 · doi: 10.48550/arxiv.2106.00701 · pith_short_12: 3RVNWWO4CKY6 · pith_short_16: 3RVNWWO4CKY624CL · pith_short_8: 3RVNWWO4

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/3RVNWWO4CKY624CLOX5DCQCD5R \
  | 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: dc6adb59dc12b1ed704b75fa314043ec7ae5ba6292564f3e214a28279216a527

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab3cb29634f38a58cc72549410452b02948c3f49b575930421b315684263f078",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-06-01T18:01:29Z",
    "title_canon_sha256": "d9cb006c831a0284909aae4485654f8e3e8efed25ac96255e57736214a90c80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.00701",
    "kind": "arxiv",
    "version": 1
  }
}