Pith Number

pith:4YPQS246

pith:2014:4YPQS246SUTI4BOBVRDWTPJG34

not attested not anchored not stored refs pending

Adaptive tracking of representative cycles in regular and zigzag persistent homology

Hamid Krim, Harish Chintakunta, Jennifer Gamble

arxiv:1411.5442 v1 · 2014-11-20 · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4YPQS246SUTI4BOBVRDWTPJG34}

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	2026-05-18T02:33:24.650918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e61f096b9e95268e05c1ac4769bd26df17cc6b006421f4718b3f0578a11b035f

Aliases

arxiv: 1411.5442 · arxiv_version: 1411.5442v1 · doi: 10.48550/arxiv.1411.5442 · pith_short_12: 4YPQS246SUTI · pith_short_16: 4YPQS246SUTI4BOB · pith_short_8: 4YPQS246

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/4YPQS246SUTI4BOBVRDWTPJG34 \
  | 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: e61f096b9e95268e05c1ac4769bd26df17cc6b006421f4718b3f0578a11b035f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "76d7fa915759370ea17cb244e11b8241b651292471d9744ba4afdda1d3ce10b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CG",
    "submitted_at": "2014-11-20T05:22:01Z",
    "title_canon_sha256": "8dd58c1b97e06db598f4fe4c4361675e6e39178e10cce38ea5cb358ce2b9bc1c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.5442",
    "kind": "arxiv",
    "version": 1
  }
}