Pith Number

pith:WLKAZWDH

pith:2025:WLKAZWDHZ4LHQ2LD7C23LI44WB

not attested not anchored not stored refs pending

X-ray Polarization of the High-Synchrotron-Peaked BL Lac H 1426+428

Hai-Ming Zhang (GXU), Jia-Xuan Li (BIT), Jin Zhang (BIT), Ji-Shun Lian (BIT), Wei Deng (GXU), Xin-Ke Hu (BIT), Yu-Wei Yu (BIT)

arxiv:2504.14869 v2 · 2025-04-21 · 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{WLKAZWDHZ4LHQ2LD7C23LI44WB}

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	2026-07-05T11:03:23.524294Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b2d40cd867cf16786963f8b5b5a39cb0449bbfc92d5e675c39174680253dc5f1

Aliases

arxiv: 2504.14869 · arxiv_version: 2504.14869v2 · doi: 10.48550/arxiv.2504.14869 · pith_short_12: WLKAZWDHZ4LH · pith_short_16: WLKAZWDHZ4LHQ2LD · pith_short_8: WLKAZWDH

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/WLKAZWDHZ4LHQ2LD7C23LI44WB \
  | 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: b2d40cd867cf16786963f8b5b5a39cb0449bbfc92d5e675c39174680253dc5f1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b72c6c2034a2cddd88081b87e13a98baa4d88dfbe04ac22605e14aad6d74f0e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-21T05:38:20Z",
    "title_canon_sha256": "04faf536a032f9c04ab2ab922c356359c9cb9846b1704115892b3755a15e19d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.14869",
    "kind": "arxiv",
    "version": 2
  }
}