Pith Number

pith:ANYQUDJO

pith:2011:ANYQUDJOGDP2WF2KTTN36WJGUW

not attested not anchored not stored refs pending

Radio Continuum Observations of 47 Tucanae and Omega Centauri: Hints for Intermediate-mass Black Holes?

Albert K. H. Kong, Ting-Ni Lu

arxiv:1102.1668 v1 · 2011-02-08 · 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{ANYQUDJOGDP2WF2KTTN36WJGUW}

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	2026-05-18T02:03:15.281800Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03710a0d2e30dfab174a9cdbbf5926a5b8a965a5c716d95ce5ade594d77c8f73

Aliases

arxiv: 1102.1668 · arxiv_version: 1102.1668v1 · doi: 10.48550/arxiv.1102.1668 · pith_short_12: ANYQUDJOGDP2 · pith_short_16: ANYQUDJOGDP2WF2K · pith_short_8: ANYQUDJO

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/ANYQUDJOGDP2WF2KTTN36WJGUW \
  | 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: 03710a0d2e30dfab174a9cdbbf5926a5b8a965a5c716d95ce5ade594d77c8f73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b57df454662ec0ad0a66695578fe904e831ac64027c3561e9cff0d13feb250fc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.SR",
    "submitted_at": "2011-02-08T17:29:45Z",
    "title_canon_sha256": "6751cd9a67c8c634f5b8695614f970e71c3f49b9956a3689575c8ffb419ccc03"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.1668",
    "kind": "arxiv",
    "version": 1
  }
}