Pith Number

pith:JCDSH6H7

pith:2013:JCDSH6H7HLXLTD4E5CU2V2S5VR

not attested not anchored not stored refs pending

An approach to the analysis of SDSS spectroscopic outliers based on Self-Organizing Maps

A. Ulla, B. Arcay, C. Dafonte, D. Fustes, K. Smith, M. Manteiga, R. Borrachero, R. Sordo

arxiv:1309.2418 v1 · 2013-09-10 · astro-ph.IM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JCDSH6H7HLXLTD4E5CU2V2S5VR}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T03:13:44.733967Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

488723f8ff3aeeb98f84e8a9aaea5dac6f2e5a529085200ac367874a655dbc30

Aliases

arxiv: 1309.2418 · arxiv_version: 1309.2418v1 · doi: 10.48550/arxiv.1309.2418 · pith_short_12: JCDSH6H7HLXL · pith_short_16: JCDSH6H7HLXLTD4E · pith_short_8: JCDSH6H7

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/JCDSH6H7HLXLTD4E5CU2V2S5VR \
  | 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: 488723f8ff3aeeb98f84e8a9aaea5dac6f2e5a529085200ac367874a655dbc30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0cc441367deb5dc3fba04149ada02304f4601ff6e282b51d041a46c847d961d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.IM",
    "submitted_at": "2013-09-10T08:59:18Z",
    "title_canon_sha256": "317d151714d269ed473be0ac588d518a021c03da40108dfa33e94badef7427cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.2418",
    "kind": "arxiv",
    "version": 1
  }
}