Pith Number

pith:35YOYH4Q

pith:2012:35YOYH4QESK3SP6Y6RVSS6GB6U

not attested not anchored not stored refs pending

Investigation of CTA 1 with Suzaku Observation

Albert K. H. Kong, C. Y. Hui, C. Y. Hwang, H. K. Chang, J. S. Liang, Jumpei Takata, Lupin C. C. Lin, Regina H. H. Huang, Shinpei Shibata, Teruaki Enoto

arxiv:1207.7352 v1 · 2012-07-31 · 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{35YOYH4QESK3SP6Y6RVSS6GB6U}

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	2026-05-18T01:56:00.502571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

df70ec1f902495b93fd8f46b2978c1f51f964b09d4980ac1e84f94cfcd8bdfbd

Aliases

arxiv: 1207.7352 · arxiv_version: 1207.7352v1 · doi: 10.48550/arxiv.1207.7352 · pith_short_12: 35YOYH4QESK3 · pith_short_16: 35YOYH4QESK3SP6Y · pith_short_8: 35YOYH4Q

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/35YOYH4QESK3SP6Y6RVSS6GB6U \
  | 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: df70ec1f902495b93fd8f46b2978c1f51f964b09d4980ac1e84f94cfcd8bdfbd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a3ff90dac3112cf6812021e797953b40db410764e8ad70c73f0863c1fa01cf6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-07-31T19:32:05Z",
    "title_canon_sha256": "328027d4f9275b932934a6d1124d663f293a2ee2e32bbb609ac7add6307bca96"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.7352",
    "kind": "arxiv",
    "version": 1
  }
}