Pith Number

pith:4EGAX7QS

pith:2011:4EGAX7QSVIX3NCFHQRFOQUZ6VE

not attested not anchored not stored refs pending

Radio Galaxy 3C 230 Observed with Gemini Laser-Adaptive-Optics Integral-Field Spectroscopy

Eric Steinbring

arxiv:1109.2617 v1 · 2011-09-12 · 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{4EGAX7QSVIX3NCFHQRFOQUZ6VE}

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	2026-05-18T02:00:34.006031Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e10c0bfe12aa2fb688a7844ae8533ea9204dbf5f1cbcfa6114c6362e0b5b37ab

Aliases

arxiv: 1109.2617 · arxiv_version: 1109.2617v1 · doi: 10.48550/arxiv.1109.2617 · pith_short_12: 4EGAX7QSVIX3 · pith_short_16: 4EGAX7QSVIX3NCFH · pith_short_8: 4EGAX7QS

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/4EGAX7QSVIX3NCFHQRFOQUZ6VE \
  | 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: e10c0bfe12aa2fb688a7844ae8533ea9204dbf5f1cbcfa6114c6362e0b5b37ab

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fbfbccaf9ac71ca12a851b113286add1dcd8cf6f32b563cb3047f3b50b56fc06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-09-12T20:28:07Z",
    "title_canon_sha256": "6b4df7ab472330da2479d8c7316d0559ee30b1a874b5a3a74867f702ef40689f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.2617",
    "kind": "arxiv",
    "version": 1
  }
}