Pith Number

pith:PI3IYAHJ

pith:2011:PI3IYAHJOZZXUQXYHPHFVYONJT

not attested not anchored not stored refs pending

Homology of balanced complexes via the Fourier transform

Roy Meshulam

arxiv:1104.4703 v1 · 2011-04-25 · 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{PI3IYAHJOZZXUQXYHPHFVYONJT}

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	2026-05-18T04:23:33.598416Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a368c00e976737a42f83bce5ae1cd4cc9265a5b42d3a014973069fb0e624fed

Aliases

arxiv: 1104.4703 · arxiv_version: 1104.4703v1 · doi: 10.48550/arxiv.1104.4703 · pith_short_12: PI3IYAHJOZZX · pith_short_16: PI3IYAHJOZZXUQXY · pith_short_8: PI3IYAHJ

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/PI3IYAHJOZZXUQXYHPHFVYONJT \
  | 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: 7a368c00e976737a42f83bce5ae1cd4cc9265a5b42d3a014973069fb0e624fed

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66cc0af7f6b2192b40f0dce87bdee736273914973d9cf7ea23f638ce4f5624d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-04-25T10:33:30Z",
    "title_canon_sha256": "03fb2b776336ec9f175814f36b8d1d0efb4d50fc98320786819e96c926f464bc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.4703",
    "kind": "arxiv",
    "version": 1
  }
}