Pith Number

pith:SO4BFJMK

pith:2026:SO4BFJMKK4KX2KXP4AYBOCZ2QJ

not attested not anchored not stored refs pending

Photoionization of the Composite Nebula Surrounding NGC 5408 X-1: Implications for Beamed Emission

Fuyan Bian, Hua Feng, Jes\'us M. Corral-Santana, Jianfeng Wu, Jing Guo, Lian Tao, Roberto Soria

arxiv:2606.31111 v1 · 2026-06-30 · 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{SO4BFJMKK4KX2KXP4AYBOCZ2QJ}

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	2026-07-01T01:17:29.505691Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b812a58a57157d2aefe030170b3a826631264c87e4ce43cc09afed1cf4cc92

Aliases

arxiv: 2606.31111 · arxiv_version: 2606.31111v1 · doi: 10.48550/arxiv.2606.31111 · pith_short_12: SO4BFJMKK4KX · pith_short_16: SO4BFJMKK4KX2KXP · pith_short_8: SO4BFJMK

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/SO4BFJMKK4KX2KXP4AYBOCZ2QJ \
  | 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: 93b812a58a57157d2aefe030170b3a826631264c87e4ce43cc09afed1cf4cc92

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74b1fd0f8467ceb961a1580d40d57a53dff7058b16a54001407ea7f6e24f285e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-06-30T04:15:29Z",
    "title_canon_sha256": "e41efccad366513f6e381b4f3359aec7ccb5bc485a46620845acb32c384fc9ca"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.31111",
    "kind": "arxiv",
    "version": 1
  }
}