Pith Number

pith:PMGK2LL2

pith:2017:PMGK2LL2SC7F2ZR4AN7PDRU53M

not attested not anchored not stored refs pending

Probing the spinning of the massive black hole in the Galactic Center via pulsar timing: A Full Relativistic Treatment

Fupeng Zhang, Prasenjit Saha

arxiv:1709.08341 v1 · 2017-09-25 · 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{PMGK2LL2SC7F2ZR4AN7PDRU53M}

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	2026-05-17T23:55:01.186659Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7b0cad2d7a90be5d663c037ef1c69ddb185b125d33f33c30341b123bb39059bd

Aliases

arxiv: 1709.08341 · arxiv_version: 1709.08341v1 · doi: 10.48550/arxiv.1709.08341 · pith_short_12: PMGK2LL2SC7F · pith_short_16: PMGK2LL2SC7F2ZR4 · pith_short_8: PMGK2LL2

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/PMGK2LL2SC7F2ZR4AN7PDRU53M \
  | 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: 7b0cad2d7a90be5d663c037ef1c69ddb185b125d33f33c30341b123bb39059bd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6207de86fb95b45fc38f17c3157d03ace88740d76222731b9826c521c1b3b59",
    "cross_cats_sorted": [
      "gr-qc"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2017-09-25T06:40:11Z",
    "title_canon_sha256": "6933934d70d7d28b9f7c9afaa2f6bb4e622d9b178d91ecaa0b25c6faadb38a3a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.08341",
    "kind": "arxiv",
    "version": 1
  }
}