Pith Number

pith:2LR7MW3Q

pith:2025:2LR7MW3Q75TH3PTBKVA3QLJXFV

not attested not anchored not stored refs pending

The spin measurement of the black hole SLX 1746-331 using Insight-HXMT observations

Jiashi Chen, Wei Wang

arxiv:2504.04760 v1 · 2025-04-07 · astro-ph.HE · astro-ph.SR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2LR7MW3Q75TH3PTBKVA3QLJXFV}

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	2026-07-05T10:45:29.312727Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2e3f65b70ff667dbe615541b82d372d78cea22e6dd58791babcc18eec7cac8a

Aliases

arxiv: 2504.04760 · arxiv_version: 2504.04760v1 · doi: 10.48550/arxiv.2504.04760 · pith_short_12: 2LR7MW3Q75TH · pith_short_16: 2LR7MW3Q75TH3PTB · pith_short_8: 2LR7MW3Q

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/2LR7MW3Q75TH3PTBKVA3QLJXFV \
  | 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: d2e3f65b70ff667dbe615541b82d372d78cea22e6dd58791babcc18eec7cac8a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7644f187e0c0e84a097f6eefd51d5abd0cf9842893b65597a85b638f11e0f070",
    "cross_cats_sorted": [
      "astro-ph.SR"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2025-04-07T06:14:48Z",
    "title_canon_sha256": "4c9d67298bedacd5382010458c9e712e0b1754ca82dc8d06caa5ad8e6dfeaafa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.04760",
    "kind": "arxiv",
    "version": 1
  }
}