Pith Number

pith:UYEJAB7Y

pith:2018:UYEJAB7Y4SID5FHDAEAMMTA6BD

not attested not anchored not stored refs pending

Critical Points to Determine Persistence Homology

Charmin Asirimath, Chathuranga Weeraddana, Jayampathy Ratnayake

arxiv:1805.06148 v1 · 2018-05-16 · cs.CV · cs.AI · 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{UYEJAB7Y4SID5FHDAEAMMTA6BD}

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	2026-05-18T00:15:48.702091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6089007f8e4903e94e30100c64c1e08d38b6f6d95dfa356ecc5e6a384efb151

Aliases

arxiv: 1805.06148 · arxiv_version: 1805.06148v1 · doi: 10.48550/arxiv.1805.06148 · pith_short_12: UYEJAB7Y4SID · pith_short_16: UYEJAB7Y4SID5FHD · pith_short_8: UYEJAB7Y

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/UYEJAB7Y4SID5FHDAEAMMTA6BD \
  | 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: a6089007f8e4903e94e30100c64c1e08d38b6f6d95dfa356ecc5e6a384efb151

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c24dc12e9d7ca95ef174928b49199e700c3895e62acb83dbac45fe3990757597",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2018-05-16T06:25:21Z",
    "title_canon_sha256": "2a1c0040e8af6acb4fdf3e62cdadc690f7381100007463c53feac3c0d27dece5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06148",
    "kind": "arxiv",
    "version": 1
  }
}