Pith Number

pith:EWD35HVF

pith:2025:EWD35HVFTR6YJA2NKYJ5ZKVR7X

not attested not anchored not stored refs pending

Discern Misclassified flat-spectrum radio quasars from low-frequency peaked BL Lacertae objects

S.J. Kang, S. Liang, W.G. Yang, Y.G. Zheng

arxiv:2503.22229 v1 · 2025-03-28 · 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{EWD35HVFTR6YJA2NKYJ5ZKVR7X}

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	2026-07-05T10:40:49.728902Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2587be9ea59c7d84834d5613dcaab1fde6214ca7d1f324a14ef623519f6da404

Aliases

arxiv: 2503.22229 · arxiv_version: 2503.22229v1 · doi: 10.48550/arxiv.2503.22229 · pith_short_12: EWD35HVFTR6Y · pith_short_16: EWD35HVFTR6YJA2N · pith_short_8: EWD35HVF

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/EWD35HVFTR6YJA2NKYJ5ZKVR7X \
  | 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: 2587be9ea59c7d84834d5613dcaab1fde6214ca7d1f324a14ef623519f6da404

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a7c34e78b0193979d07d2b0274372fe7bbfd1f410f4bfcf8cde1c7f1575533b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-03-28T08:21:35Z",
    "title_canon_sha256": "2fbb57ceb8e2b2910411df292fb1caf70f5237fe8a820eb6b486acf1b05f1e6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.22229",
    "kind": "arxiv",
    "version": 1
  }
}