Pith Number

pith:DLLMAE5R

pith:2016:DLLMAE5RVAQ2EEEHODXE7GTKOG

not attested not anchored not stored refs pending

An analysis of feature relevance in the classification of astronomical transients with machine learning methods

Antonio D'Isanto, Ciro Donalek, Giuseppe Longo, Giuseppe Riccio, Massimo Brescia, Stanislav G. Djorgovski, Stefano Cavuoti

arxiv:1601.03931 v1 · 2016-01-15 · 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{DLLMAE5RVAQ2EEEHODXE7GTKOG}

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	2026-05-18T01:19:56.998275Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ad6c013b1a821a2108770ee4f9a6a718972ec1b27f60bf2dcaeddb978aac9a6

Aliases

arxiv: 1601.03931 · arxiv_version: 1601.03931v1 · doi: 10.48550/arxiv.1601.03931 · pith_short_12: DLLMAE5RVAQ2 · pith_short_16: DLLMAE5RVAQ2EEEH · pith_short_8: DLLMAE5R

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/DLLMAE5RVAQ2EEEHODXE7GTKOG \
  | 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: 1ad6c013b1a821a2108770ee4f9a6a718972ec1b27f60bf2dcaeddb978aac9a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ca68d09d5350ea672a6e100601aeac67e80e3959ea1e8e122ceaedbeafa6d0a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2016-01-15T14:33:54Z",
    "title_canon_sha256": "ea1d29ae580485a64f815c8535e5cada7ed8555cd1a88c54f06a833d53b9ccd9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.03931",
    "kind": "arxiv",
    "version": 1
  }
}