Pith Number

pith:LQ5SUCQC

pith:2018:LQ5SUCQCSYRQXEYK4YC557JKLF

not attested not anchored not stored refs pending

Learning Simplicial Complexes from Persistence Diagrams

Anna Schenfisch, Brittany Terese Fasy, Daniel Salinas, David L. Millman, Jordan Schupbach, Lucia Williams, Robin Lynne Belton, Rostik Mertz, Samuel Micka

arxiv:1805.10716 v2 · 2018-05-27 · cs.CG · 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{LQ5SUCQCSYRQXEYK4YC557JKLF}

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	2026-05-18T00:09:09.179675Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c3b2a0a0296230b930ae605defd2a596ea1a3b96e3ae0ee5befbf0e16945704

Aliases

arxiv: 1805.10716 · arxiv_version: 1805.10716v2 · doi: 10.48550/arxiv.1805.10716 · pith_short_12: LQ5SUCQCSYRQ · pith_short_16: LQ5SUCQCSYRQXEYK · pith_short_8: LQ5SUCQC

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/LQ5SUCQCSYRQXEYK4YC557JKLF \
  | 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: 5c3b2a0a0296230b930ae605defd2a596ea1a3b96e3ae0ee5befbf0e16945704

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "969673aa4d66cc6470081052d6bff4efc2e67a2963a8c696236a6c18c2165ad0",
    "cross_cats_sorted": [
      "math.AT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2018-05-27T23:54:59Z",
    "title_canon_sha256": "8570e610a85f8b330c96dcabf7aaac2f6d29ddd80a99b85fd2b01947cefb9b0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.10716",
    "kind": "arxiv",
    "version": 2
  }
}