Pith Number

pith:SVJHM6PF

pith:2020:SVJHM6PF2YEMWQUMWTXINGM5EK

not attested not anchored not stored refs pending

On the Energy Coupling Efficiency of AGN Outbursts in Galaxy Clusters

Fulai Guo, Xiaodong Duan

arxiv:2004.06841 v2 · 2020-04-15 · astro-ph.HE · 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{SVJHM6PF2YEMWQUMWTXINGM5EK}

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	2026-07-05T01:11:24.570528Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95527679e5d608cb428cb4ee86999d22856a086d89855f25fecd6b9324a945e2

Aliases

arxiv: 2004.06841 · arxiv_version: 2004.06841v2 · doi: 10.48550/arxiv.2004.06841 · pith_short_12: SVJHM6PF2YEM · pith_short_16: SVJHM6PF2YEMWQUM · pith_short_8: SVJHM6PF

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/SVJHM6PF2YEMWQUMWTXINGM5EK \
  | 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: 95527679e5d608cb428cb4ee86999d22856a086d89855f25fecd6b9324a945e2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e33686a5e5e4c55fb76c186c77e3228ea863f5a1e1a4e9c988f3878ac3e74e68",
    "cross_cats_sorted": [
      "astro-ph.GA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.HE",
    "submitted_at": "2020-04-15T00:40:17Z",
    "title_canon_sha256": "80d20a6a0b96e7fcb5bcbc9c49f6b7c1abbcd4419cdf223aa4849bdd8bcdbc60"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.06841",
    "kind": "arxiv",
    "version": 2
  }
}