Pith Number

pith:4DUK52RY

pith:2018:4DUK52RYIKSLJ5ANNBESEYLAHQ

not attested not anchored not stored refs pending

RGB image-based data analysis via discrete Morse theory and persistent homology

Adarsh Manawa, Christopher Szul, Chuan Du, Nima Rasekh, Rosemary K. Guzman, Ruth Davidson

arxiv:1801.09530 v1 · 2018-01-09 · cs.CV · math.AT · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4DUK52RYIKSLJ5ANNBESEYLAHQ}

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	2026-07-05T03:26:35.691004Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0e8aeea3842a4b4f40d68492261603c089b93ec39bdb2758c44ee7f6213cf0f

Aliases

arxiv: 1801.09530 · arxiv_version: 1801.09530v1 · doi: 10.48550/arxiv.1801.09530 · pith_short_12: 4DUK52RYIKSL · pith_short_16: 4DUK52RYIKSLJ5AN · pith_short_8: 4DUK52RY

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/4DUK52RYIKSLJ5ANNBESEYLAHQ \
  | 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: e0e8aeea3842a4b4f40d68492261603c089b93ec39bdb2758c44ee7f6213cf0f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e6ba205f9f387f920d1f377203f0cc0cec8e97d76852a6b70d33727c51bbfbb",
    "cross_cats_sorted": [
      "math.AT",
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-01-09T21:57:04Z",
    "title_canon_sha256": "546faabd8ecebf7c63383d11a95d1d223f204775739af0359875b79e51e33c26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.09530",
    "kind": "arxiv",
    "version": 1
  }
}