Pith Number

pith:WTQM6NEX

pith:2014:WTQM6NEX22SPI7LXOMCIJUAHO2

not attested not anchored not stored refs pending

On the radio properties of the intermediate-mass black hole candidate ESO 243-49 HLX-1

D. Barret, D. Cseh, E. Koerding, E. Lenc, H. Falcke, J. M. Wrobel, M. Coriat, N. A. Webb, O. Godet, S. A. Farrell, S. Corbel

arxiv:1411.1306 v1 · 2014-11-05 · 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{WTQM6NEX22SPI7LXOMCIJUAHO2}

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	2026-05-18T01:41:34.846045Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4e0cf3497d6a4f47d77730484d0077698e3ca19184e2344cc4c635628cd8a62

Aliases

arxiv: 1411.1306 · arxiv_version: 1411.1306v1 · doi: 10.48550/arxiv.1411.1306 · pith_short_12: WTQM6NEX22SP · pith_short_16: WTQM6NEX22SPI7LX · pith_short_8: WTQM6NEX

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/WTQM6NEX22SPI7LXOMCIJUAHO2 \
  | 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: b4e0cf3497d6a4f47d77730484d0077698e3ca19184e2344cc4c635628cd8a62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "331d11bf032901dd1ce51d14bba8d0bd0dd453687f88985616187825087aece9",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2014-11-05T16:03:47Z",
    "title_canon_sha256": "928c2214dece9e0ba52c8ee0aad34436acaf87ddf3b883c2538dbde35d14abc0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.1306",
    "kind": "arxiv",
    "version": 1
  }
}