Pith Number

pith:3UULNCTY

pith:2025:3UULNCTY3BL447T323X5C2SZ5C

not attested not anchored not stored refs pending

4XMM J175136.8-275858: A New Magnetar Candidate?

E. Quintin, N. A. Webb, Norman Khan, Robbie Webbe

arxiv:2505.04206 v1 · 2025-05-07 · 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{3UULNCTY3BL447T323X5C2SZ5C}

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	2026-07-05T10:59:38.317987Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd28b68a78d857ce7e7bd6efd16a59e898d13db5b9e826e5bdce59ada248ce88

Aliases

arxiv: 2505.04206 · arxiv_version: 2505.04206v1 · doi: 10.48550/arxiv.2505.04206 · pith_short_12: 3UULNCTY3BL4 · pith_short_16: 3UULNCTY3BL447T3 · pith_short_8: 3UULNCTY

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/3UULNCTY3BL447T323X5C2SZ5C \
  | 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: dd28b68a78d857ce7e7bd6efd16a59e898d13db5b9e826e5bdce59ada248ce88

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d15cc163c27ac55f4cde0b694b052066c985ba9d683d743c28b9fef2e8cb77f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-07T07:58:47Z",
    "title_canon_sha256": "95877837efdf4993c1649c03635259693bbbb28aca818043f3335c66cfe2f127"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.04206",
    "kind": "arxiv",
    "version": 1
  }
}