Pith Number

pith:FFVDQ423

pith:2011:FFVDQ42353J7MHUIUCX6X5EFPP

not attested not anchored not stored refs pending

The Nature of Double-Peaked [O III] Active Galactic Nuclei

Adam D. Myers, Alan Stockton, G. Aldering, Hai Fu, Jeffrey A. Rich, Lin Yan, S. G. Djorgovski

arxiv:1107.3564 v2 · 2011-07-18 · astro-ph.CO · 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{FFVDQ42353J7MHUIUCX6X5EFPP}

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	2026-05-18T02:01:15.260838Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

296a38735beed3f61e88a0afebf4857bdc09d0ce5ee1eeeb9e807d3403e17656

Aliases

arxiv: 1107.3564 · arxiv_version: 1107.3564v2 · doi: 10.48550/arxiv.1107.3564 · pith_short_12: FFVDQ42353J7 · pith_short_16: FFVDQ42353J7MHUI · pith_short_8: FFVDQ423

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/FFVDQ42353J7MHUIUCX6X5EFPP \
  | 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: 296a38735beed3f61e88a0afebf4857bdc09d0ce5ee1eeeb9e807d3403e17656

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fa794f53eb4de02578705519df4abf3a27169c5047cec8379302d6c9b84d9b46",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-18T20:00:40Z",
    "title_canon_sha256": "2422fc99f8f940756b8129d9b9338130437c31174347d4da387d6a34d11f0157"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3564",
    "kind": "arxiv",
    "version": 2
  }
}