Pith Number

pith:NNTI65BO

pith:2025:NNTI65BO2LXYYBFX2QCBY6FGPP

not attested not anchored not stored refs pending

Pieces of evidence for multiple progenitors of Swift long gamma-ray bursts

Yan-Kun Qu, Zhi-Bin Zhang, Zhong-Xiao Man

arxiv:2505.05561 v1 · 2025-05-08 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NNTI65BO2LXYYBFX2QCBY6FGPP}

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	2026-07-05T11:00:27.841450Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6b668f742ed2ef8c04b7d4041c78a67bc3e770179ef0e5fbed4927b5cdeb4d3f

Aliases

arxiv: 2505.05561 · arxiv_version: 2505.05561v1 · doi: 10.48550/arxiv.2505.05561 · pith_short_12: NNTI65BO2LXY · pith_short_16: NNTI65BO2LXYYBFX · pith_short_8: NNTI65BO

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/NNTI65BO2LXYYBFX2QCBY6FGPP \
  | 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: 6b668f742ed2ef8c04b7d4041c78a67bc3e770179ef0e5fbed4927b5cdeb4d3f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2f45339f0a3da9c8c73e0c5e6ab3f9818e303fe1adb12381d150e9646f0865e5",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-05-08T18:00:03Z",
    "title_canon_sha256": "54508c704ad71b3c9a10872239520a8120e5e09738ddf156ab2cc7012583a218"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.05561",
    "kind": "arxiv",
    "version": 1
  }
}