Pith Number

pith:FV3J7OTP

pith:2012:FV3J7OTP6S52VRIHJNZY7WEEIR

not attested not anchored not stored refs pending

The accretion disc, jets and environment of the intermediate mass black hole candidate ESO 243-49 HLX-1

B. Plazolles, D. Barret, D. Cseh, D. Lin, E. Lenc, I. Heywood, J.-P. Lasota, M. Servillat, N. A. Webb, N. Gehrels, O. Godet, R. P. Fender, S. A. Farrell, S. Corbel, T. Kawaguchi, V. Braito

arxiv:1211.0831 v1 · 2012-11-05 · astro-ph.HE · 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{FV3J7OTP6S52VRIHJNZY7WEEIR}

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	2026-05-18T03:41:31.401933Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d769fba6ff4bbaac5074b738fd884444294a95ffc59f6e96602b2319e1e37a8

Aliases

arxiv: 1211.0831 · arxiv_version: 1211.0831v1 · doi: 10.48550/arxiv.1211.0831 · pith_short_12: FV3J7OTP6S52 · pith_short_16: FV3J7OTP6S52VRIH · pith_short_8: FV3J7OTP

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/FV3J7OTP6S52VRIHJNZY7WEEIR \
  | 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: 2d769fba6ff4bbaac5074b738fd884444294a95ffc59f6e96602b2319e1e37a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b01e7a011ee7bfe18ab8c9794c36f3b89eb260124dd476fa1fe65d506c5c1ac6",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2012-11-05T11:21:35Z",
    "title_canon_sha256": "7d8b6fb2b67c518832839f114cc7c007dfaa40802a487e3bea3d6b0003df8c5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.0831",
    "kind": "arxiv",
    "version": 1
  }
}