Pith Number

pith:Z7DSV6NB

pith:2013:Z7DSV6NBQ3QNWZFCCS74MTP745

not attested not anchored not stored refs pending

Is Mg II 2800 a Reliable Virial Broadening Estimator for Quasars?

Ascensi\'on del Olmo, Ilse Plauchu-Frayn, Jack W. Sulentic, Paola Marziani

arxiv:1305.1096 v2 · 2013-05-06 · 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{Z7DSV6NBQ3QNWZFCCS74MTP745}

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	2026-05-18T01:50:11.987386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cfc72af9a186e0db64a214bfc64dffe76375ffbb0a006375202028da782b2c35

Aliases

arxiv: 1305.1096 · arxiv_version: 1305.1096v2 · doi: 10.48550/arxiv.1305.1096 · pith_short_12: Z7DSV6NBQ3QN · pith_short_16: Z7DSV6NBQ3QNWZFC · pith_short_8: Z7DSV6NB

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/Z7DSV6NBQ3QNWZFCCS74MTP745 \
  | 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: cfc72af9a186e0db64a214bfc64dffe76375ffbb0a006375202028da782b2c35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5b8978f968c906c8d5bad0bb57a642d3c60062ff194052fcb21134e5a74304c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2013-05-06T06:48:21Z",
    "title_canon_sha256": "0f64a2ad5e1c77c0694f4b7f2331ca8124cdb24309ad3bf34595f32b55889acf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1096",
    "kind": "arxiv",
    "version": 2
  }
}