Pith Number

pith:PMA4EDHG

pith:2014:PMA4EDHGYRHMXBKEXRYDGM6X4J

not attested not anchored not stored refs pending

Subsampling Methods for Persistent Homology

Alessandro Rinaldo, Bertrand Michel, Brittany Terese Fasy, Fabrizio Lecci, Fr\'ed\'eric Chazal, Larry Wasserman

arxiv:1406.1901 v1 · 2014-06-07 · math.AT · cs.CG · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PMA4EDHGYRHMXBKEXRYDGM6X4J}

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	2026-05-18T02:50:12.267913Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b01c20ce6c44ecb8544bc703333d7e26ebbcb0f6b171de77ec32dd0a3b8280f

Aliases

arxiv: 1406.1901 · arxiv_version: 1406.1901v1 · doi: 10.48550/arxiv.1406.1901 · pith_short_12: PMA4EDHGYRHM · pith_short_16: PMA4EDHGYRHMXBKE · pith_short_8: PMA4EDHG

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/PMA4EDHGYRHMXBKEXRYDGM6X4J \
  | 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: 7b01c20ce6c44ecb8544bc703333d7e26ebbcb0f6b171de77ec32dd0a3b8280f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fff7b9963c5f5f83796d2b31fae4adf45fad347320721afd7573e2cea27becb0",
    "cross_cats_sorted": [
      "cs.CG",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2014-06-07T16:06:26Z",
    "title_canon_sha256": "25fcb8d41e818c457980fba40165d1bf8afe4d9b935ceb295c8e17fcaed3682b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1406.1901",
    "kind": "arxiv",
    "version": 1
  }
}