Pith Number

pith:QLXAG4VE

pith:2026:QLXAG4VEZKWIMC4537JXLXEOMT

not attested not anchored not stored refs pending

X-ray Flaring and Variability in NGC 1275, the Heart of the Perseus Cluster

(2) Stanford Univ., (3) Univ. of Chicago), Doyee Byun (1), Irina Zhuravleva (3) ((1) Univ. of Michigan, Jon M. Miller (1), Missagh Mehdipour (1), Sarah Ketchum (1), S. W. Allen (2), Tianyin Hu (1), Veronica Tananko (1), Xin Xiang (1)

arxiv:2608.13281 v1 · 2026-08-13 · astro-ph.HE · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QLXAG4VEZKWIMC4537JXLXEOMT}

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	2026-08-14T01:04:07.532003Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

82ee0372a4caac860b9ddfd375dc8e64e000e99933fd33167e2a9405122fa3aa

Aliases

arxiv: 2608.13281 · arxiv_version: 2608.13281v1 · doi: 10.48550/arxiv.2608.13281 · pith_short_12: QLXAG4VEZKWI · pith_short_16: QLXAG4VEZKWIMC45 · pith_short_8: QLXAG4VE

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/QLXAG4VEZKWIMC4537JXLXEOMT \
  | 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: 82ee0372a4caac860b9ddfd375dc8e64e000e99933fd33167e2a9405122fa3aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8ac22442d3e5e12d7827d70c5b0c350c39306d87dc7aff7697bc808b47dff5e6",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-08-13T14:15:57Z",
    "title_canon_sha256": "44e96ce0ef5f3957b6aabe6a9f9112a13b8315b6cfeaf0079f5febf3bfd54f2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.13281",
    "kind": "arxiv",
    "version": 1
  }
}