Pith Number

pith:SMW4CUZX

pith:2011:SMW4CUZXEBQ3BZMMSWJ6AQNSX3

not attested not anchored not stored refs pending

Baby Morse Theory in Data Analysis

Caren Marzban, Ulvi Yurtsever

arxiv:1105.2582 v1 · 2011-05-12 · stat.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SMW4CUZXEBQ3BZMMSWJ6AQNSX3}

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	2026-05-18T04:22:10.038543Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

932dc153372061b0e58c9593e041b2bed280507b88eb7cdd9b5ba7dabe54509b

Aliases

arxiv: 1105.2582 · arxiv_version: 1105.2582v1 · doi: 10.48550/arxiv.1105.2582 · pith_short_12: SMW4CUZXEBQ3 · pith_short_16: SMW4CUZXEBQ3BZMM · pith_short_8: SMW4CUZX

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/SMW4CUZXEBQ3BZMMSWJ6AQNSX3 \
  | 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: 932dc153372061b0e58c9593e041b2bed280507b88eb7cdd9b5ba7dabe54509b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ad35a4ff5fe4c63c090eabcd6f9927468a9e888c0291c0ef802ae66116f8dc5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2011-05-12T21:24:22Z",
    "title_canon_sha256": "b1a3675e14f9f1196277c3b2dc7e077e5db87a161c52e7f08097f3fa0d81dda9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.2582",
    "kind": "arxiv",
    "version": 1
  }
}