Pith Number

pith:R3R35JYO

pith:2011:R3R35JYOPA7CIE5SL34ECJW4T2

not attested not anchored not stored refs pending

Data Mining and Machine-Learning in Time-Domain Discovery & Classification

Joseph W. Richards, Joshua S. Bloom

arxiv:1104.3142 v1 · 2011-04-15 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{R3R35JYOPA7CIE5SL34ECJW4T2}

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	2026-05-18T02:22:02.830117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ee3bea70e783e2413b25ef84126dc9e92bc510e3aa50b383f9008267f7fae5a

Aliases

arxiv: 1104.3142 · arxiv_version: 1104.3142v1 · doi: 10.48550/arxiv.1104.3142 · pith_short_12: R3R35JYOPA7C · pith_short_16: R3R35JYOPA7CIE5S · pith_short_8: R3R35JYO

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/R3R35JYOPA7CIE5SL34ECJW4T2 \
  | 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: 8ee3bea70e783e2413b25ef84126dc9e92bc510e3aa50b383f9008267f7fae5a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d0a4a42c096833a7d1bbaff3fd8e08f04fdccef1c16d72ff62637310488c455",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2011-04-15T20:00:43Z",
    "title_canon_sha256": "2dffd6c2b1d74b000ed13dd601a1289171b4603de0e9bae2c57a15fee8acba39"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3142",
    "kind": "arxiv",
    "version": 1
  }
}