Pith Number

pith:ZIZPZF2B

pith:2025:ZIZPZF2BQXDX4CCEEGJ7GVZ4EV

not attested not anchored not stored refs pending

Multifrequency Radio Observations of the Magnetar Swift J1818.0--1607

Evan F. Lewis, Harsha Blumer, Maura A. McLaughlin, Ryan S. Lynch

arxiv:2502.15200 v2 · 2025-02-21 · 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{ZIZPZF2BQXDX4CCEEGJ7GVZ4EV}

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.

Cited by

1 paper in Pith

The Timing Evolution of the Magnetar Swift J1818.0-1607 During a Period of Reduced Activity

Receipt and verification

First computed	2026-07-05T11:38:04.921283Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ca32fc974185c77e08442193f3573c2575b2e9110fef0561f549766988baaa7b

Aliases

arxiv: 2502.15200 · arxiv_version: 2502.15200v2 · doi: 10.48550/arxiv.2502.15200 · pith_short_12: ZIZPZF2BQXDX · pith_short_16: ZIZPZF2BQXDX4CCE · pith_short_8: ZIZPZF2B

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/ZIZPZF2BQXDX4CCEEGJ7GVZ4EV \
  | 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: ca32fc974185c77e08442193f3573c2575b2e9110fef0561f549766988baaa7b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c95ef0f44b96fdf0d40c366b515ca3244a6b4d0220998b2b2f144580066eaf61",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-21T04:29:22Z",
    "title_canon_sha256": "6e7e9775d3098fbd3009cc4effd8c2c93b501a5d2b4a660905878e5d9e040854"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.15200",
    "kind": "arxiv",
    "version": 2
  }
}