Pith Number

pith:RK7MW5V7

pith:2010:RK7MW5V7KECESW2REWGTGDWX2V

not attested not anchored not stored refs pending

Estimating black hole masses of blazars

F. K. Liu, J. L. Han, M. Z. Kong, R. Wang, Xue-Bing Wu

arxiv:1011.6235 v1 · 2010-11-29 · 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{RK7MW5V7KECESW2REWGTGDWX2V}

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	2026-05-18T02:04:37.944451Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8abecb76bf5104495b51258d330ed7d55b35ee14afc1bd342bf84c2c1c7373ce

Aliases

arxiv: 1011.6235 · arxiv_version: 1011.6235v1 · doi: 10.48550/arxiv.1011.6235 · pith_short_12: RK7MW5V7KECE · pith_short_16: RK7MW5V7KECESW2R · pith_short_8: RK7MW5V7

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/RK7MW5V7KECESW2REWGTGDWX2V \
  | 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: 8abecb76bf5104495b51258d330ed7d55b35ee14afc1bd342bf84c2c1c7373ce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27721e22279b2eb67318f5dce7d61ad8ba08bd1a4348a8c30b71c886c56fce06",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2010-11-29T14:18:43Z",
    "title_canon_sha256": "9b4aab14bed51ba40ec1a8b05e08f9961d4906800e9af0f571af58a95775c12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.6235",
    "kind": "arxiv",
    "version": 1
  }
}