Pith Number

pith:AIOW5C6N

pith:2013:AIOW5C6NCDOS4S2SWBBSLHFC23

not attested not anchored not stored refs pending

Point determining digraphs, $\{0,1\}$-matrix partitions, and dualities in full homomorphisms

C\'esar Hern\'andez-Cruz, Pavol Hell

arxiv:1308.0377 v1 · 2013-08-01 · 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{AIOW5C6NCDOS4S2SWBBSLHFC23}

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	2026-05-18T03:16:50.670934Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

021d6e8bcd10dd2e4b52b043259ca2d6e20277c53a2c0b02d9346df675f7074c

Aliases

arxiv: 1308.0377 · arxiv_version: 1308.0377v1 · doi: 10.48550/arxiv.1308.0377 · pith_short_12: AIOW5C6NCDOS · pith_short_16: AIOW5C6NCDOS4S2S · pith_short_8: AIOW5C6N

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/AIOW5C6NCDOS4S2SWBBSLHFC23 \
  | 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: 021d6e8bcd10dd2e4b52b043259ca2d6e20277c53a2c0b02d9346df675f7074c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "823d47a44cfa15cd9b95606eb3131b5a59c48276e45a298d832e6cf092c9b666",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-08-01T23:50:29Z",
    "title_canon_sha256": "76c44c1a4e60973195dd796bcf8c9308339a0efd1974dd758943e8eee429840e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.0377",
    "kind": "arxiv",
    "version": 1
  }
}