Pith Number

pith:QANWUBTD

pith:2012:QANWUBTDAXK2U5Z7JSLUC3O7US

not attested not anchored not stored refs pending

A New Sample of Candidate Intermediate-Mass Black Holes Selected by X-ray Variability

Hisamitsu Awaki, Naoya Kamizasa, Yuichi Terashima

arxiv:1205.2772 v1 · 2012-05-12 · 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{QANWUBTDAXK2U5Z7JSLUC3O7US}

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	2026-05-18T01:57:32.980769Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

801b6a066305d5aa773f4c97416ddfa48b7f9fc8de9b573633ab473f2a3949fd

Aliases

arxiv: 1205.2772 · arxiv_version: 1205.2772v1 · doi: 10.48550/arxiv.1205.2772 · pith_short_12: QANWUBTDAXK2 · pith_short_16: QANWUBTDAXK2U5Z7 · pith_short_8: QANWUBTD

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/QANWUBTDAXK2U5Z7JSLUC3O7US \
  | 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: 801b6a066305d5aa773f4c97416ddfa48b7f9fc8de9b573633ab473f2a3949fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfe5cee73885106692ac5468c66dbe240dcd1afc182f29ee3b2952212519db16",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-05-12T12:13:02Z",
    "title_canon_sha256": "1559342c1de7f4395371e2afa99ba54826f3ecf2434ee1d767e5fcfb0a3d80cb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.2772",
    "kind": "arxiv",
    "version": 1
  }
}