Pith Number

pith:DTCDFRKT

pith:2012:DTCDFRKTYPCEVINH66PDC62BWK

not attested not anchored not stored refs pending

Classifying Radio Emitters from the Sloan Digital Sky Survey: Spectroscopy and Diagnostics

A. Eckart, A. Zensus, J. Zuther, M. Bremer, M. Garcia-Marin, M. Valencia-S., M. Vitale

arxiv:1208.3375 v2 · 2012-08-16 · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DTCDFRKTYPCEVINH66PDC62BWK}

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	2026-05-18T01:55:15.267702Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1cc432c553c3c44aa1a7f79e317b41b2b1eb6de0866495e2d9e6cd6382be7195

Aliases

arxiv: 1208.3375 · arxiv_version: 1208.3375v2 · doi: 10.48550/arxiv.1208.3375 · pith_short_12: DTCDFRKTYPCE · pith_short_16: DTCDFRKTYPCEVINH · pith_short_8: DTCDFRKT

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/DTCDFRKTYPCEVINH66PDC62BWK \
  | 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: 1cc432c553c3c44aa1a7f79e317b41b2b1eb6de0866495e2d9e6cd6382be7195

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad365bde8c9292d16e2181141c79b040661a1a5ac71dfdc677b38bcf153989e3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-08-16T14:05:15Z",
    "title_canon_sha256": "792638de8803e9d225a56346fd72f418c88914853235c05f6f6bd2dfa1ee91a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1208.3375",
    "kind": "arxiv",
    "version": 2
  }
}