Pith Number

pith:VD65YBJK

pith:2010:VD65YBJKYJVE5QZ2RDAGYJN37A

not attested not anchored not stored refs pending

The compact radio structure of radio-loud narrow line Seyfert 1 galaxies

Minfeng Gu (SHAO, UCSB), Yongjun Chen (SHAO)

arxiv:1004.3058 v1 · 2010-04-18 · 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{VD65YBJKYJVE5QZ2RDAGYJN37A}

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	2026-05-18T02:07:57.102566Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a8fddc052ac26a4ec33a88c06c25bbf80429eb4419265868502259ce6a7e33e3

Aliases

arxiv: 1004.3058 · arxiv_version: 1004.3058v1 · doi: 10.48550/arxiv.1004.3058 · pith_short_12: VD65YBJKYJVE · pith_short_16: VD65YBJKYJVE5QZ2 · pith_short_8: VD65YBJK

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/VD65YBJKYJVE5QZ2RDAGYJN37A \
  | 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: a8fddc052ac26a4ec33a88c06c25bbf80429eb4419265868502259ce6a7e33e3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "952d00a0d46a811a53bebee70b61f4fa6c5abaf462e81882e605a47a880d5349",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-04-18T20:53:51Z",
    "title_canon_sha256": "93e150e992a0ba230174f24dc9527e0d378b4b1065324708c5d8da2f11061c8a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.3058",
    "kind": "arxiv",
    "version": 1
  }
}