Pith Number

pith:DMW4CVTM

pith:2011:DMW4CVTM626F3NYSGSYDJ6DK2Q

not attested not anchored not stored refs pending

The Cool Accretion Disk in ESO 243-49 HLX-1: Further Evidence of an Intermediate Mass Black Hole

Didier Barret, Mathieu Servillat, Natalie A. Webb, Olivier Godet, Ramesh Narayan, Sean A. Farrell, Shane W. Davis, Yucong Zhu

arxiv:1104.2614 v1 · 2011-04-13 · 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{DMW4CVTM626F3NYSGSYDJ6DK2Q}

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	2026-05-18T02:02:29.566365Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1b2dc1566cf6bc5db71234b034f86ad43a867dc5321fd755f6913a838dec1754

Aliases

arxiv: 1104.2614 · arxiv_version: 1104.2614v1 · doi: 10.48550/arxiv.1104.2614 · pith_short_12: DMW4CVTM626F · pith_short_16: DMW4CVTM626F3NYS · pith_short_8: DMW4CVTM

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/DMW4CVTM626F3NYSGSYDJ6DK2Q \
  | 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: 1b2dc1566cf6bc5db71234b034f86ad43a867dc5321fd755f6913a838dec1754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aefdd5f3db4ae1aa3df81c2126b1fe43c3836627a6a653dba330bab74f453fa9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2011-04-13T20:36:15Z",
    "title_canon_sha256": "cafa9ce50d9964237fb38f629ccda63d12a4ecb7c5dedf5ca71399fb0147de3c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.2614",
    "kind": "arxiv",
    "version": 1
  }
}