Pith Number

pith:7W3WAIV7

pith:2013:7W3WAIV7EJIDIGLHBW75IJ3POE

not attested not anchored not stored refs pending

The First Hard X-Ray Power Spectral Density Functions of AGN

Richard F. Mushotzky, T. Taro Shimizu

arxiv:1304.7002 v1 · 2013-04-25 · astro-ph.HE · astro-ph.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7W3WAIV7EJIDIGLHBW75IJ3POE}

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	2026-05-18T03:24:53.651257Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fdb76022bf22503419670dbfd4276f712e01184f96622654895c8c14ef257070

Aliases

arxiv: 1304.7002 · arxiv_version: 1304.7002v1 · doi: 10.48550/arxiv.1304.7002 · pith_short_12: 7W3WAIV7EJID · pith_short_16: 7W3WAIV7EJIDIGLH · pith_short_8: 7W3WAIV7

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/7W3WAIV7EJIDIGLHBW75IJ3POE \
  | 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: fdb76022bf22503419670dbfd4276f712e01184f96622654895c8c14ef257070

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90ec5d014659c970abcb618316a77c87baa4e71d00870a9a0097a650540fa283",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2013-04-25T20:00:01Z",
    "title_canon_sha256": "9c324a788739c5cc696dfcf00eda8101f944baa75064f7f5359479369f87081b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7002",
    "kind": "arxiv",
    "version": 1
  }
}