Pith Number

pith:AGYOJRSK

pith:2019:AGYOJRSKUBFBIGVTHZ27HZGYDM

not attested not anchored not stored refs pending

Comment on "An X-ray chimney extending hundreds of parsecs above and below the Galactic Centre" (2019, Nature, 567, 34)

Katsuji Koyama, Q. Daniel Wang, Shinya Nakashima

arxiv:1903.11767 v1 · 2019-03-28 · 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{AGYOJRSKUBFBIGVTHZ27HZGYDM}

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	2026-05-17T23:50:01.843205Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

01b0e4c64aa04a141ab33e75f3e4d81b04e508293f00574fd8106df87a6794a9

Aliases

arxiv: 1903.11767 · arxiv_version: 1903.11767v1 · doi: 10.48550/arxiv.1903.11767 · pith_short_12: AGYOJRSKUBFB · pith_short_16: AGYOJRSKUBFBIGVT · pith_short_8: AGYOJRSK

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/AGYOJRSKUBFBIGVTHZ27HZGYDM \
  | 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: 01b0e4c64aa04a141ab33e75f3e4d81b04e508293f00574fd8106df87a6794a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "107ed9b5aa3c6a15f6a82893e9971d3a44c1ebcc624f2d9b4af6e559bdc2cf7e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2019-03-28T02:54:46Z",
    "title_canon_sha256": "fc05707d8d7d03dbdd0642b5829a8a5511fdf5785e79ac027d0b4ed3813ed15b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.11767",
    "kind": "arxiv",
    "version": 1
  }
}