Pith Number

pith:HC3KNZBG

pith:2021:HC3KNZBG5NHWYN2XCCBVBOTF3F

not attested not anchored not stored refs pending

Central star formation in double-peak gas rich radio galaxies

Alexander Drabent, Anaelle Halle, Anne-Laure Melchior, Barbara Mazzilli Ciraulo, Daniel Maschmann, Francoise Combes, Jonathan Freundlich

arxiv:2112.12796 v2 · 2021-12-23 · 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{HC3KNZBG5NHWYN2XCCBVBOTF3F}

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	2026-07-05T04:48:40.440323Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38b6a6e426eb4f6c3757108350ba65d97d48af33cc83ef32cdcbf240d2e25d0d

Aliases

arxiv: 2112.12796 · arxiv_version: 2112.12796v2 · doi: 10.48550/arxiv.2112.12796 · pith_short_12: HC3KNZBG5NHW · pith_short_16: HC3KNZBG5NHWYN2X · pith_short_8: HC3KNZBG

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/HC3KNZBG5NHWYN2XCCBVBOTF3F \
  | 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: 38b6a6e426eb4f6c3757108350ba65d97d48af33cc83ef32cdcbf240d2e25d0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6aa6c2ba427257b7377d5699a2fa00491148309ccaec93e961b5b4b8788bd8dd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-23T19:00:05Z",
    "title_canon_sha256": "0c3b04ae3a3bf7e8262b179b74e44c559e52027ee11d783248707d05c1af62c0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.12796",
    "kind": "arxiv",
    "version": 2
  }
}