pith. sign in
Pith Number

pith:YZFNKHVB

pith:2012:YZFNKHVBLJ5T62MS5ELAJOX463
not attested not anchored not stored refs pending

A Candidate Active Galactic Nucleus with a Pure Soft Thermal X-ray Spectrum

Aya Kubota, Hisamitsu Awaki, Naoya Kamizasa, Yoshihiro Ueda, Yuichi Terashima

arxiv:1205.2774 v1 · 2012-05-12 · astro-ph.HE

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{YZFNKHVBLJ5T62MS5ELAJOX463}

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 2026-05-18T01:57:32.971169Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

c64ad51ea15a7b3f6992e91604bafcf6db77ff9e6869c3951d10294b344d58e6

Aliases

arxiv: 1205.2774 · arxiv_version: 1205.2774v1 · doi: 10.48550/arxiv.1205.2774 · pith_short_12: YZFNKHVBLJ5T · pith_short_16: YZFNKHVBLJ5T62MS · pith_short_8: YZFNKHVB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/YZFNKHVBLJ5T62MS5ELAJOX463 \
  | 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: c64ad51ea15a7b3f6992e91604bafcf6db77ff9e6869c3951d10294b344d58e6
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "291c9f04a519c82e102957ae442f3bd16bafe74ab1139a25814582c6d5021c3e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-12T12:26:57Z",
    "title_canon_sha256": "ec3d8738cb6b729875a90fb01b087c0780e1b4b0581c18ea3b1f266f72e7f839"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2774",
    "kind": "arxiv",
    "version": 1
  }
}