Pith Number

pith:KKK5WLB4

pith:2016:KKK5WLB4Y3CC7CTQM3N42NG5LL

not attested not anchored not stored refs pending

An Efficient Representation for Filtrations of Simplicial Complexes

Jean-Daniel Boissonnat, Karthik C. S.

arxiv:1607.08449 v3 · 2016-07-28 · cs.CG · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KKK5WLB4Y3CC7CTQM3N42NG5LL}

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	2026-05-18T00:24:31.778022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5295db2c3cc6c42f8a7066dbcd34dd5ac8541d504bd176d168ca973ab2e18755

Aliases

arxiv: 1607.08449 · arxiv_version: 1607.08449v3 · doi: 10.48550/arxiv.1607.08449 · pith_short_12: KKK5WLB4Y3CC · pith_short_16: KKK5WLB4Y3CC7CTQ · pith_short_8: KKK5WLB4

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/KKK5WLB4Y3CC7CTQM3N42NG5LL \
  | 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: 5295db2c3cc6c42f8a7066dbcd34dd5ac8541d504bd176d168ca973ab2e18755

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2b80b3e24bcde35844a1aebb671ffc9e7503d5f68d24dd378b96a27c8ffb9491",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2016-07-28T13:30:20Z",
    "title_canon_sha256": "5700e617cf0eed010cc5809e8e2b36173675d06d73cba54a37a9ee9fb24c0b43"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.08449",
    "kind": "arxiv",
    "version": 3
  }
}