Pith Number

pith:VM34GP47

pith:2012:VM34GP475SFGFJ2PPVJZST2B7U

not attested not anchored not stored refs pending

Broad Absorption Line Variability in Radio-Loud Quasars

B. P. Miller, C. A. Welling, R. R. Gibson, W. N. Brandt

arxiv:1201.2676 v1 · 2012-01-12 · 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{VM34GP475SFGFJ2PPVJZST2B7U}

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	2026-05-18T04:04:43.914821Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ab37c33f9fec8a62a74f7d53994f41fd3bb01932ff9102b92d5fa3268dbe1d04

Aliases

arxiv: 1201.2676 · arxiv_version: 1201.2676v1 · doi: 10.48550/arxiv.1201.2676 · pith_short_12: VM34GP475SFG · pith_short_16: VM34GP475SFGFJ2P · pith_short_8: VM34GP47

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/VM34GP475SFGFJ2PPVJZST2B7U \
  | 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: ab37c33f9fec8a62a74f7d53994f41fd3bb01932ff9102b92d5fa3268dbe1d04

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5c39ed3880699105e3efc5e06b8616f92c03171ed63c1f4c705976d13073d93c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-01-12T20:57:54Z",
    "title_canon_sha256": "636dbfd07ccbc801b74458b05939fe94128eddb17cad890b4e53b1f4232c29b8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2676",
    "kind": "arxiv",
    "version": 1
  }
}