Pith Number

pith:4U5ZVRN2

pith:2007:4U5ZVRN2OJ2KVW47QMYDA7IWSH

not attested not anchored not stored refs pending

Discovery of 442-Hz Pulsations from an X-ray Source in the Globular Cluster NGC 6440

2), 4), Craig B. Markwardt (2, Fotis P. Gavriil (1, Jean H. Swank (2), Tod E. Strohmayer (2)

arxiv:0708.0829 v1 · 2007-08-06 · astro-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4U5ZVRN2OJ2KVW47QMYDA7IWSH}

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.

Cited by

1 paper in Pith

An Elaborate Search for Coherent Pulsations from Intermittent-AMXPs

Receipt and verification

First computed	2026-07-04T17:05:04.224837Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e53b9ac5ba7274aadb9f8330307d1691e6a39864a5c959236c24efbfca0c04be

Aliases

arxiv: 0708.0829 · arxiv_version: 0708.0829v1 · doi: 10.48550/arxiv.0708.0829 · pith_short_12: 4U5ZVRN2OJ2K · pith_short_16: 4U5ZVRN2OJ2KVW47 · pith_short_8: 4U5ZVRN2

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/4U5ZVRN2OJ2KVW47QMYDA7IWSH \
  | 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: e53b9ac5ba7274aadb9f8330307d1691e6a39864a5c959236c24efbfca0c04be

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c09ee48c64654ac47bb025bac567c55305f9faceedf7c76bfaec4ff6a4fd8641",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "astro-ph",
    "submitted_at": "2007-08-06T20:03:57Z",
    "title_canon_sha256": "cb671ea7222c2c0d3c8230a34eb9753ab944f8ad1d375079c8b5a3c3af9fe29f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0708.0829",
    "kind": "arxiv",
    "version": 1
  }
}