Pith Number

pith:4WQKIUMP

pith:2012:4WQKIUMP7NFT63B2WK7UZVNBVT

not attested not anchored not stored refs pending

Tracking Tetrahymena Pyriformis Cells using Decision Trees

A. Agung Julius, Kim L. Boyer, Min Jun Kim, Quan Wang, Yan Ou

arxiv:1207.3127 v1 · 2012-07-13 · cs.CV · cs.LG · eess.IV · q-bio.CB · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4WQKIUMP7NFT63B2WK7UZVNBVT}

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	2026-05-18T00:31:45.621701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e5a0a4518ffb4b3f6c3ab2bf4cd5a1acdaa0050835bc74c5b3bfb6faba622944

Aliases

arxiv: 1207.3127 · arxiv_version: 1207.3127v1 · doi: 10.48550/arxiv.1207.3127 · pith_short_12: 4WQKIUMP7NFT · pith_short_16: 4WQKIUMP7NFT63B2 · pith_short_8: 4WQKIUMP

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/4WQKIUMP7NFT63B2WK7UZVNBVT \
  | 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: e5a0a4518ffb4b3f6c3ab2bf4cd5a1acdaa0050835bc74c5b3bfb6faba622944

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ed04906b2b18911103de914c1230f11ae5fb33bb5206824939b4b0560e9d62c",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.IV",
      "q-bio.CB",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CV",
    "submitted_at": "2012-07-13T01:22:04Z",
    "title_canon_sha256": "1bd7d2c2e5e34d0359e70f37fcfd595ccb9e905b8e33b93f9a6098d66245e614"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3127",
    "kind": "arxiv",
    "version": 1
  }
}