Pith Number

pith:PH4BY5Y7

pith:2019:PH4BY5Y7KO2QOHUQ2Q2GOVGYST

not attested not anchored not stored refs pending

Radio jet structures at ~100 parsec and larger scales of the $\gamma$-ray-emitting narrow-line Seyfert 1 galaxy PMN J0948+0022

Akihiro Doi, Hiroshi Nagai, Masanori Nakamura, Motoki Kino, Nozomu Kawakatu, Satomi Nakahara

arxiv:1905.05414 v1 · 2019-05-14 · astro-ph.GA · 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{PH4BY5Y7KO2QOHUQ2Q2GOVGYST}

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	2026-05-17T23:46:16.559660Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f81c771f53b5071e90d4346754d894e5eb117208068b7f08d7a1f3b314494c

Aliases

arxiv: 1905.05414 · arxiv_version: 1905.05414v1 · doi: 10.48550/arxiv.1905.05414 · pith_short_12: PH4BY5Y7KO2Q · pith_short_16: PH4BY5Y7KO2QOHUQ · pith_short_8: PH4BY5Y7

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/PH4BY5Y7KO2QOHUQ2Q2GOVGYST \
  | 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: 79f81c771f53b5071e90d4346754d894e5eb117208068b7f08d7a1f3b314494c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad207b81ae3a0d886780c52673e4d805dd0cc95ced5b78309fa951149e468419",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-05-14T06:47:48Z",
    "title_canon_sha256": "d228f56213520b5d61538c5a61c30ce7a7293ed8e163fc6ccbfc19389fe8b8d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05414",
    "kind": "arxiv",
    "version": 1
  }
}