Pith Number

pith:4G56AAU3

pith:2012:4G56AAU3YITWRZHHZS37IK2L6W

not attested not anchored not stored refs pending

Masses and Accretion Rates of Supermassive Black Holes in Active Galactic Nuclei from the INTEGRAL Survey

A. Yu. Tkachenko (1) ((1) Space Research Institute, G. A. Khorunzhev (1), Moscow), R. A. Burenin (1), S. Yu. Sazonov (1)

arxiv:1210.6279 v1 · 2012-10-23 · 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{4G56AAU3YITWRZHHZS37IK2L6W}

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	2026-05-18T03:42:32.766268Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1bbe0029bc22768e4e7ccb7f42b4bf58bb90fa4fff33cd4d9f35987c38662dd

Aliases

arxiv: 1210.6279 · arxiv_version: 1210.6279v1 · doi: 10.48550/arxiv.1210.6279 · pith_short_12: 4G56AAU3YITW · pith_short_16: 4G56AAU3YITWRZHH · pith_short_8: 4G56AAU3

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/4G56AAU3YITWRZHHZS37IK2L6W \
  | 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: e1bbe0029bc22768e4e7ccb7f42b4bf58bb90fa4fff33cd4d9f35987c38662dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "148fc08e29f10a3f5b60bef1289d24daf0eb7449b98e3020cb3a9dfed1f7e110",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-10-23T16:08:06Z",
    "title_canon_sha256": "01314568136d38adec66651337cd76ee14d4ac4a1d1afb35c058016bb1daf68f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.6279",
    "kind": "arxiv",
    "version": 1
  }
}