Pith Number

pith:4JHDRHHB

pith:2013:4JHDRHHBGJ2BWAPCWH3VUS5IE3

not attested not anchored not stored refs pending

VLBA Multi-frequency Polarimetric imaging of Radio-loud Broad Absorption Line Quasars

Akihiro Doi, Hiroshi Nagai, Takayuki J. Hayashi

arxiv:1305.3371 v1 · 2013-05-15 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4JHDRHHBGJ2BWAPCWH3VUS5IE3}

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	2026-05-18T01:49:57.066741Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e24e389ce132741b01e2b1f75a4ba826cfa5e9e2e94e93674a0845b48748a236

Aliases

arxiv: 1305.3371 · arxiv_version: 1305.3371v1 · doi: 10.48550/arxiv.1305.3371 · pith_short_12: 4JHDRHHBGJ2B · pith_short_16: 4JHDRHHBGJ2BWAPC · pith_short_8: 4JHDRHHB

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/4JHDRHHBGJ2BWAPCWH3VUS5IE3 \
  | 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: e24e389ce132741b01e2b1f75a4ba826cfa5e9e2e94e93674a0845b48748a236

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a6ddda7ef86e8dccda4c7c03dd269b945d07128586e81355d899d1c61d21d825",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-05-15T07:03:50Z",
    "title_canon_sha256": "cc19e7a0695f93b12ff1e968f1502082f24d818fe1c5d622f3e841ea1731d45e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.3371",
    "kind": "arxiv",
    "version": 1
  }
}