Pith Number

pith:GF3BPVUQ

pith:2017:GF3BPVUQOW3RMAXJMEKNUDPTFV

not attested not anchored not stored refs pending

Computing the Homology of Hypergraphs

Chengyuan Wu, Jie Wu, Shiquan Ren, Stephane Bressan

arxiv:1705.00151 v2 · 2017-04-29 · math.AT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{GF3BPVUQOW3RMAXJMEKNUDPTFV}

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	2026-05-18T00:27:00.597379Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

317617d69075b71602e96114da0df32d6fe47d97d9999454c97290d3b29009a6

Aliases

arxiv: 1705.00151 · arxiv_version: 1705.00151v2 · doi: 10.48550/arxiv.1705.00151 · pith_short_12: GF3BPVUQOW3R · pith_short_16: GF3BPVUQOW3RMAXJ · pith_short_8: GF3BPVUQ

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/GF3BPVUQOW3RMAXJMEKNUDPTFV \
  | 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: 317617d69075b71602e96114da0df32d6fe47d97d9999454c97290d3b29009a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3a11702f4a6b333cb2de489b3829fe0b0142ae836c6d0a7ca405878084dc90f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-04-29T08:07:59Z",
    "title_canon_sha256": "9111abb5403b5535536b71b02a665b12015ec08cf462129b09d3a65d4e304ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00151",
    "kind": "arxiv",
    "version": 2
  }
}