Pith Number

pith:ZDVO3R7E

pith:2017:ZDVO3R7EPDIZBWUWFGD4S3ZZIA

not attested not anchored not stored refs pending

Computational Tools in Weighted Persistent Homology

Chengyuan Wu, Jie Wu, Shiquan Ren

arxiv:1711.09211 v3 · 2017-11-25 · 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{ZDVO3R7EPDIZBWUWFGD4S3ZZIA}

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	2026-05-17T23:40:36.663749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c8eaedc7e478d190da962987c96f39402b7a560fc420f686b936222639a97f43

Aliases

arxiv: 1711.09211 · arxiv_version: 1711.09211v3 · doi: 10.48550/arxiv.1711.09211 · pith_short_12: ZDVO3R7EPDIZ · pith_short_16: ZDVO3R7EPDIZBWUW · pith_short_8: ZDVO3R7E

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/ZDVO3R7EPDIZBWUWFGD4S3ZZIA \
  | 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: c8eaedc7e478d190da962987c96f39402b7a560fc420f686b936222639a97f43

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4a3129f364b7e79ed7c09e9872bbf460eefdbb6c8b5430fc9810d5d7d1f723",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AT",
    "submitted_at": "2017-11-25T07:55:40Z",
    "title_canon_sha256": "f8b21bdfc4f37575fa4467e82ac2659917a8173644b053fbd4982a06fc7375b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1711.09211",
    "kind": "arxiv",
    "version": 3
  }
}