Pith Number

pith:NUTQJT4U

pith:2009:NUTQJT4UF37ALO35A5MGYM456H

not attested not anchored not stored refs pending

The origin of an extended X-ray emission apparently associated with the globular cluster 47 Tucanae

Kazuhiro Nakazawa, Kazuo Makishima, Takayuki Yuasa

arxiv:0906.3583 v1 · 2009-06-19 · astro-ph.GA · astro-ph.HE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NUTQJT4UF37ALO35A5MGYM456H}

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	2026-05-18T02:13:18.867360Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d2704cf942efe05bb7d07586c339df1dce59dc465bff01709f05fa001947d67

Aliases

arxiv: 0906.3583 · arxiv_version: 0906.3583v1 · doi: 10.48550/arxiv.0906.3583 · pith_short_12: NUTQJT4UF37A · pith_short_16: NUTQJT4UF37ALO35 · pith_short_8: NUTQJT4U

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/NUTQJT4UF37ALO35A5MGYM456H \
  | 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: 6d2704cf942efe05bb7d07586c339df1dce59dc465bff01709f05fa001947d67

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22b1a18b11fcfdf7eb058f71fc3089b57c04d141ba5d2c8f94231867f2e36798",
    "cross_cats_sorted": [
      "astro-ph.HE"
    ],
    "license": "http://creativecommons.org/licenses/publicdomain/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2009-06-19T06:46:14Z",
    "title_canon_sha256": "2d45d27e4f1d2a43ea9190297b6bd8c1ea70dbe1a3b26aec649543af2c1fa9a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0906.3583",
    "kind": "arxiv",
    "version": 1
  }
}