Pith Number

pith:QDNGIJYY

pith:2016:QDNGIJYYYPCDDME6IO624GYC5R

not attested not anchored not stored refs pending

A Riemannian Framework for Statistical Analysis of Topological Persistence Diagrams

Karthikeyan Natesan Ramamurthy, Pavan Turaga, Rushil Anirudh, Vinay Venkataraman

arxiv:1605.08912 v1 · 2016-05-28 · math.AT · cs.CG · cs.CV · math.DG · math.ST · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QDNGIJYYYPCDDME6IO624GYC5R}

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	2026-05-18T01:13:22.649289Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

80da642718c3c431b09e43bdae1b02ec7ef9a99dea87be24854bc3ce06b03b6e

Aliases

arxiv: 1605.08912 · arxiv_version: 1605.08912v1 · doi: 10.48550/arxiv.1605.08912 · pith_short_12: QDNGIJYYYPCD · pith_short_16: QDNGIJYYYPCDDME6 · pith_short_8: QDNGIJYY

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/QDNGIJYYYPCDDME6IO624GYC5R \
  | 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: 80da642718c3c431b09e43bdae1b02ec7ef9a99dea87be24854bc3ce06b03b6e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bd8d0dd8f5f1dbfe3f24f10a871317119423057d56bff6723a2e2caa6ec85b4",
    "cross_cats_sorted": [
      "cs.CG",
      "cs.CV",
      "math.DG",
      "math.ST",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2016-05-28T16:55:40Z",
    "title_canon_sha256": "9365c063126ad0701e0b825d7fed7fdcb2c1eeade07659b18eb4e99af4fa8657"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.08912",
    "kind": "arxiv",
    "version": 1
  }
}