Pith Number

pith:X3J57LX4

pith:2026:X3J57LX4TCBFCPVQW4BOOUSMIO

not attested not anchored not stored refs pending

Physical origin of very-high-energy gamma rays from the low-luminosity active galactic nucleus NGC 4278 and implications for neutrino observations

Abhishek Das, B. Theodore Zhang, Kohta Murase, Shigeo S. Kimura, Shilong Chen, Yunfeng Liang

arxiv:2601.23242 v2 · 2026-01-30 · 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{X3J57LX4TCBFCPVQW4BOOUSMIO}

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	2026-08-05T01:34:19.871615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bed3dfaefc9882513eb0b702e7524c43b5d1987624cacf6de801b13184b04e1d

Aliases

arxiv: 2601.23242 · arxiv_version: 2601.23242v2 · doi: 10.48550/arxiv.2601.23242 · pith_short_12: X3J57LX4TCBF · pith_short_16: X3J57LX4TCBFCPVQ · pith_short_8: X3J57LX4

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/X3J57LX4TCBFCPVQW4BOOUSMIO \
  | 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: bed3dfaefc9882513eb0b702e7524c43b5d1987624cacf6de801b13184b04e1d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11e89a1f5c5b30983defddb5d9683766dea6dfaae8e15fc77ab7c4a0e52a77d1",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-01-30T18:12:50Z",
    "title_canon_sha256": "92037f08515d4d2e90bce28d9a4484a05b799b5b17e5ffe17dfb907e7df5326a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.23242",
    "kind": "arxiv",
    "version": 2
  }
}