Pith Number

pith:WCZBZIIN

pith:2011:WCZBZIINARFUYAFTRHEJ3GW2OC

not attested not anchored not stored refs pending

Very Long Baseline Array Imaging of Parsec-scale Jet Structures in Radio-loud Narrow-line Seyfert 1 Galaxies

Akihiro Doi, Hiroshi Nagai, Keiichi Asada

arxiv:1107.5117 v1 · 2011-07-26 · astro-ph.CO · 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{WCZBZIINARFUYAFTRHEJ3GW2OC}

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	2026-05-18T02:01:09.959262Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b0b21ca10d044b4c00b389c89d9ada7086e789f73889f09df1131486fffd73d6

Aliases

arxiv: 1107.5117 · arxiv_version: 1107.5117v1 · doi: 10.48550/arxiv.1107.5117 · pith_short_12: WCZBZIINARFU · pith_short_16: WCZBZIINARFUYAFT · pith_short_8: WCZBZIIN

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/WCZBZIINARFUYAFTRHEJ3GW2OC \
  | 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: b0b21ca10d044b4c00b389c89d9ada7086e789f73889f09df1131486fffd73d6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1e0157e3c5334d0b91f7f0a9ce87906897d9cb99edfd7910ce5bcf00bb98cc4",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2011-07-26T04:59:23Z",
    "title_canon_sha256": "a6523b455ac873ba160bdc89d0e2885e4dd7d8da0290dc1c5bf2c9d4b194b757"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.5117",
    "kind": "arxiv",
    "version": 1
  }
}