Pith Number

pith:WDHXQIY4

pith:2012:WDHXQIY4LSFUW4FVPLMD6VXIML

not attested not anchored not stored refs pending

The rest-frame ultraviolet properties of radio-loud broad absorption line quasars

J. C. Runnoe, M. A. DiPompeo, M. S. Brotherton, S. L. Cales

arxiv:1209.1417 v1 · 2012-09-06 · 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{WDHXQIY4LSFUW4FVPLMD6VXIML}

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	2026-05-18T01:54:39.024656Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0cf78231c5c8b4b70b57ad83f56e862c44127d4558d3bb74f9e52b34de0271b

Aliases

arxiv: 1209.1417 · arxiv_version: 1209.1417v1 · doi: 10.48550/arxiv.1209.1417 · pith_short_12: WDHXQIY4LSFU · pith_short_16: WDHXQIY4LSFUW4FV · pith_short_8: WDHXQIY4

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/WDHXQIY4LSFUW4FVPLMD6VXIML \
  | 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: b0cf78231c5c8b4b70b57ad83f56e862c44127d4558d3bb74f9e52b34de0271b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "048482490cf16cba37f79522dc0dec9b1697dd251a9454fa0dcb3cd685169bdf",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-09-06T21:56:11Z",
    "title_canon_sha256": "2c840e2914602c94d1a13dfb726fc34e65830f3c2fe16e47aca4e1407d821ffa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1209.1417",
    "kind": "arxiv",
    "version": 1
  }
}