Pith Number

pith:LGCEQM2H

pith:2012:LGCEQM2HEZXHSRJFANVKANCQV4

not attested not anchored not stored refs pending

Chandra High resolution Observations of CID-42, a candidate recoiling SMBH

A. Bongiorno, A. Comastri, A. Fruscione, A. Koekemoer, A. Loeb, C. Vignali, E. Piconcelli, F. Civano, G. Lanzuisi, L. Blecha, M. Brusa, M. Elvis, M. Salvato, M. Trichas, R. Gilli, S. Komossa, T. Aldcroft, V. Mainieri

arxiv:1205.0815 v1 · 2012-05-03 · 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{LGCEQM2HEZXHSRJFANVKANCQV4}

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	2026-05-18T01:57:38.250950Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5984483347266e794525036aa03450af15d132e1be87b74eb4d9310ea06263fc

Aliases

arxiv: 1205.0815 · arxiv_version: 1205.0815v1 · doi: 10.48550/arxiv.1205.0815 · pith_short_12: LGCEQM2HEZXH · pith_short_16: LGCEQM2HEZXHSRJF · pith_short_8: LGCEQM2H

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/LGCEQM2HEZXHSRJFANVKANCQV4 \
  | 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: 5984483347266e794525036aa03450af15d132e1be87b74eb4d9310ea06263fc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a7903db43316f3d991cc870193812ef46511cfa7f07ceca12dd09846e2e8228",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.CO",
    "submitted_at": "2012-05-03T20:11:33Z",
    "title_canon_sha256": "b6e288a6fbcff5dd62f455667e04ba99db5c6c423b5eceeec2cfc8ee4b4176a8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1205.0815",
    "kind": "arxiv",
    "version": 1
  }
}