Pith Number

pith:HSBCW26F

pith:2021:HSBCW26FVYDF4EJHBLWGSOERY5

not attested not anchored not stored refs pending

A Domain-Oblivious Approach for Learning Concise Representations of Filtered Topological Spaces for Clustering

Brian Summa, Brittany Terese Fasy, Carola Wenk, Yu Qin

arxiv:2105.12208 v2 · 2021-05-25 · cs.CG · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HSBCW26FVYDF4EJHBLWGSOERY5}

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	2026-07-05T03:05:02.541055Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3c822b6bc5ae065e11270aec693891c7475cce5c9001209d6392f2b0c7553860

Aliases

arxiv: 2105.12208 · arxiv_version: 2105.12208v2 · doi: 10.48550/arxiv.2105.12208 · pith_short_12: HSBCW26FVYDF · pith_short_16: HSBCW26FVYDF4EJH · pith_short_8: HSBCW26F

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/HSBCW26FVYDF4EJHBLWGSOERY5 \
  | 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: 3c822b6bc5ae065e11270aec693891c7475cce5c9001209d6392f2b0c7553860

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3edb41d18d65c9e4f32592d0231b63bcc08001c5805867459026a0ee1b5f49b8",
    "cross_cats_sorted": [
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2021-05-25T20:44:28Z",
    "title_canon_sha256": "258ce97e7c4d2fdb6cbd797776ae7a7c0da024bcfac553c0c6bee5837947818f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.12208",
    "kind": "arxiv",
    "version": 2
  }
}