Pith Number

pith:HLS7BVNU

pith:2011:HLS7BVNU4NZILYFFKIXV7EYUBW

not attested not anchored not stored refs pending

The radio core of the Ultraluminous Infrared Galaxy F00183-7111: watching the birth of a quasar

Alan L. Roy, Emil Lenc, Henrik Spoon, Ray P. Norris

arxiv:1107.3895 v1 · 2011-07-20 · 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{HLS7BVNU4NZILYFFKIXV7EYUBW}

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	2026-05-18T02:01:14.498700Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ae5f0d5b4e37285e0a5522f5f93140da814cfb50f71edc7c5f0d02fc8f521a1

Aliases

arxiv: 1107.3895 · arxiv_version: 1107.3895v1 · doi: 10.48550/arxiv.1107.3895 · pith_short_12: HLS7BVNU4NZI · pith_short_16: HLS7BVNU4NZILYFF · pith_short_8: HLS7BVNU

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/HLS7BVNU4NZILYFFKIXV7EYUBW \
  | 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: 3ae5f0d5b4e37285e0a5522f5f93140da814cfb50f71edc7c5f0d02fc8f521a1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2b0838deb4d69a3af4929bb81577f27d7d0cfee5d32e5e45e106892de1b135c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-20T05:37:32Z",
    "title_canon_sha256": "5ca671c4f7d3f775ec4029e0b94fb2faf43cfe1d946d21a9073b28e60e400133"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3895",
    "kind": "arxiv",
    "version": 1
  }
}