Pith Number

pith:XBF2Q5SI

pith:2026:XBF2Q5SIXTKLRNWEUMMP4NVM7R

not attested not anchored not stored refs pending

Probing an Intermediate-Mass Black Hole Companion of Sagittarius A* with Pulsar Timing

Lijing Shao, Zexin Hu

arxiv:2607.24201 v1 · 2026-07-27 · astro-ph.HE · astro-ph.GA · gr-qc

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XBF2Q5SIXTKLRNWEUMMP4NVM7R}

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	2026-07-28T02:23:50.687310Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b84ba87648bcd4b8b6c4a318fe36acfc62a844d6f944d17d74ddc6f512f0607f

Aliases

arxiv: 2607.24201 · arxiv_version: 2607.24201v1 · doi: 10.48550/arxiv.2607.24201 · pith_short_12: XBF2Q5SIXTKL · pith_short_16: XBF2Q5SIXTKLRNWE · pith_short_8: XBF2Q5SI

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/XBF2Q5SIXTKLRNWEUMMP4NVM7R \
  | 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: b84ba87648bcd4b8b6c4a318fe36acfc62a844d6f944d17d74ddc6f512f0607f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "183a7c38487bf5d8bcbab408f575d957d1ce5f541a48a1d59a0be932daf5cec4",
    "cross_cats_sorted": [
      "astro-ph.GA",
      "gr-qc"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2026-07-27T09:25:29Z",
    "title_canon_sha256": "ebf0b4e6099df2dfa56892e9463125d20e8608589d5f23f420c7c36067a560c1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.24201",
    "kind": "arxiv",
    "version": 1
  }
}