Pith Number

pith:NGAERHM6

pith:2009:NGAERHM6RKIJ5HOULE2IHT3MMZ

not attested not anchored not stored refs pending

A Chandra X-ray Observatory Study of PSR J1740--5340 and Candidate Millisecond Pulsars in the Globular Cluster NGC 6397

Craig O. Heinke, Haldan N. Cohn, Jonathan E. Grindlay, Maureen van den Berg, Phyllis M. Lugger, Slavko Bogdanov

arxiv:0911.3146 v1 · 2009-11-16 · 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{NGAERHM6RKIJ5HOULE2IHT3MMZ}

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	2026-05-18T02:34:05.103241Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6980489d9e8a909e9dd4593483cf6c666a927c98462eaa1e94dcdb236d7f4ecc

Aliases

arxiv: 0911.3146 · arxiv_version: 0911.3146v1 · doi: 10.48550/arxiv.0911.3146 · pith_short_12: NGAERHM6RKIJ · pith_short_16: NGAERHM6RKIJ5HOU · pith_short_8: NGAERHM6

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/NGAERHM6RKIJ5HOULE2IHT3MMZ \
  | 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: 6980489d9e8a909e9dd4593483cf6c666a927c98462eaa1e94dcdb236d7f4ecc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7383fb721d2be8f65168e8c83bb91ef91bcb0689b1b3d824d5b9086f7497b5a6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2009-11-16T21:00:18Z",
    "title_canon_sha256": "c2243aef680f45a2a7ab510a46a38cea0ac1c2b7a21e98926777e8d646368e9f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.3146",
    "kind": "arxiv",
    "version": 1
  }
}