Pith Number

pith:YML4YIHO

pith:2019:YML4YIHOQPJIIW26AAKTQ3TPT7

not attested not anchored not stored refs pending

Radio spectral index distribution of SDSS-FIRST sources across optical diagnostic diagrams

Andreas Eckart, Gerold Busch, Jana Schneeloch, J. Anton Zensus, Kevin C. Harrington, Lars Fuhrmann, Michal Zaja\v{c}ek, M\'onica Valencia-S., Nastaran Fazeli, Silke Britzen

arxiv:1906.08877 v3 · 2019-06-20 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YML4YIHOQPJIIW26AAKTQ3TPT7}

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	2026-07-05T00:06:46.919685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c317cc20ee83d2845b5e0015386e6f9ffa94ea88793b023261cc43b6412f330f

Aliases

arxiv: 1906.08877 · arxiv_version: 1906.08877v3 · doi: 10.48550/arxiv.1906.08877 · pith_short_12: YML4YIHOQPJI · pith_short_16: YML4YIHOQPJIIW26 · pith_short_8: YML4YIHO

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/YML4YIHOQPJIIW26AAKTQ3TPT7 \
  | 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: c317cc20ee83d2845b5e0015386e6f9ffa94ea88793b023261cc43b6412f330f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7fe1b92668933892025793ce71a9620b3ffd0effa0abac4ff4117059cc507096",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-06-20T21:53:35Z",
    "title_canon_sha256": "034d22631b275e82ad7317dcfc22ecf4fb47eca6ee61e91127f14738c9a1032d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08877",
    "kind": "arxiv",
    "version": 3
  }
}