Pith Number

pith:QWEO7GIE

pith:2025:QWEO7GIET4CKJ63RNPTIUTEP3E

not attested not anchored not stored refs pending

Discovery of the variable optical counterpart of the redback pulsar PSR J2055+1545

Bidisha Sen, Jordan A. Simpson, Jorge Casares, Manuel Linares, Marco Turchetta, Mark R. Kennedy, Rene P. Breton, Tariq Shahbaz

arxiv:2502.13219 v1 · 2025-02-18 · 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{QWEO7GIET4CKJ63RNPTIUTEP3E}

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	2026-07-05T10:16:43.973454Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8588ef99049f04a4fb716be68a4c8fd93848313ef3b18424ada53b266463718d

Aliases

arxiv: 2502.13219 · arxiv_version: 2502.13219v1 · doi: 10.48550/arxiv.2502.13219 · pith_short_12: QWEO7GIET4CK · pith_short_16: QWEO7GIET4CKJ63R · pith_short_8: QWEO7GIE

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/QWEO7GIET4CKJ63RNPTIUTEP3E \
  | 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: 8588ef99049f04a4fb716be68a4c8fd93848313ef3b18424ada53b266463718d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a8c9b15dcbecd2fa38822dd768c9f0d8034ef5572af250dac11bd229bd2646e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-02-18T19:00:31Z",
    "title_canon_sha256": "997f6f060d59be01a3b79f8a41a77909fd6c2c6a5dfe44541b4c3f7eb8f0e80b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13219",
    "kind": "arxiv",
    "version": 1
  }
}