Pith Number

pith:UHQ53ZNF

pith:2022:UHQ53ZNFJWDTXZWLOQ54FF6LTA

not attested not anchored not stored refs pending

Circumnuclear Medium around the Central AGN in a Cool-Core Cluster, Abell 1644-South

Aeree Chung, Alastair Edge, Jae-Woo Kim, Junhyun Baek, Taehyun Jung, Tom Rose

arxiv:2205.04478 v1 · 2022-05-09 · astro-ph.GA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UHQ53ZNFJWDTXZWLOQ54FF6LTA}

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	2026-07-05T04:33:36.736458Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a1e1dde5a54d873be6cb743bc297cb983d886095ac17eb665ded4f25c1cd03c3

Aliases

arxiv: 2205.04478 · arxiv_version: 2205.04478v1 · doi: 10.48550/arxiv.2205.04478 · pith_short_12: UHQ53ZNFJWDT · pith_short_16: UHQ53ZNFJWDTXZWL · pith_short_8: UHQ53ZNF

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/UHQ53ZNFJWDTXZWLOQ54FF6LTA \
  | 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: a1e1dde5a54d873be6cb743bc297cb983d886095ac17eb665ded4f25c1cd03c3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54f0d5a5966b8c11d7eb880db033c18c005d72d62aad7fea391ff2c94ca2cb93",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-09T18:00:01Z",
    "title_canon_sha256": "9ce135aeed1fc6aa80e3b19ac5e5c8cbb0ca7bb11b621db12072beac3575fe5c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.04478",
    "kind": "arxiv",
    "version": 1
  }
}