Pith Number

pith:IFHUQDQE

pith:2010:IFHUQDQE63CLLO6BH7RVZARV3Z

not attested not anchored not stored refs pending

Measure preserving homomorphisms and independent sets in tensor graph powers

Babak Behsaz, Pooya Hatami

arxiv:1008.3213 v1 · 2010-08-19 · 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{IFHUQDQE63CLLO6BH7RVZARV3Z}

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	2026-05-18T04:42:03.111221Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

414f480e04f6c4b5bbc13fe35c8235de7eabe22404162515870f598611e82932

Aliases

arxiv: 1008.3213 · arxiv_version: 1008.3213v1 · doi: 10.48550/arxiv.1008.3213 · pith_short_12: IFHUQDQE63CL · pith_short_16: IFHUQDQE63CLLO6B · pith_short_8: IFHUQDQE

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/IFHUQDQE63CLLO6BH7RVZARV3Z \
  | 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: 414f480e04f6c4b5bbc13fe35c8235de7eabe22404162515870f598611e82932

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d28ad401b8dd458d203d1fb88687701bacad79263182fd3c8e5b92bcfa2c68f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2010-08-19T04:47:13Z",
    "title_canon_sha256": "6f19670c06b2e9f9bf67bfbdb514a879e2e013dd148c87399f7e9d0b1373017e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1008.3213",
    "kind": "arxiv",
    "version": 1
  }
}