Pith Number

pith:UEG6VHAK

pith:2011:UEG6VHAKGUCVP7JD75G6B5UU3T

not attested not anchored not stored refs pending

On rainbow tetrahedra in Cayley graphs

Italo J. Dejter

arxiv:1108.1571 v7 · 2011-08-07 · 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{UEG6VHAKGUCVP7JD75G6B5UU3T}

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	2026-05-18T02:38:37.646081Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a10dea9c0a350557fd23ff4de0f694dcd0fe69de479d3106f7578db8e97f6cd3

Aliases

arxiv: 1108.1571 · arxiv_version: 1108.1571v7 · doi: 10.48550/arxiv.1108.1571 · pith_short_12: UEG6VHAKGUCV · pith_short_16: UEG6VHAKGUCVP7JD · pith_short_8: UEG6VHAK

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/UEG6VHAKGUCVP7JD75G6B5UU3T \
  | 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: a10dea9c0a350557fd23ff4de0f694dcd0fe69de479d3106f7578db8e97f6cd3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5527707fb9aecd37a0c86e888c0c23257cfdbd40a6c02d24139513072889829",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-08-07T20:12:20Z",
    "title_canon_sha256": "59e96afe8847bd10d9c2d937445b6f8d221a4acf9e9111d89e7e80c4d6573550"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.1571",
    "kind": "arxiv",
    "version": 7
  }
}