Pith Number

pith:DURH2CHF

pith:2022:DURH2CHF3FZARKLAT7DIDYON4N

not attested not anchored not stored refs pending

Enhanced Star Formation Efficiency in the Central Regions of Nearby Quasars Hosts

Ezequiel Treister, Franz E. Bauer, Jinyi Shangguan, Juan Molina, Luis C. Ho, Ran Wang

arxiv:2212.05295 v1 · 2022-12-10 · 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{DURH2CHF3FZARKLAT7DIDYON4N}

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	2026-07-05T05:41:36.219788Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d227d08e5d97208a9609fc681e1cde377577bb1ee36459bf18565599ad443b8

Aliases

arxiv: 2212.05295 · arxiv_version: 2212.05295v1 · doi: 10.48550/arxiv.2212.05295 · pith_short_12: DURH2CHF3FZA · pith_short_16: DURH2CHF3FZARKLA · pith_short_8: DURH2CHF

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/DURH2CHF3FZARKLAT7DIDYON4N \
  | 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: 1d227d08e5d97208a9609fc681e1cde377577bb1ee36459bf18565599ad443b8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3490aa699110de237428a694fa9d9f3386778882a248a676009f9468f56ab001",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-12-10T13:14:51Z",
    "title_canon_sha256": "60ac44680c88f5709a2d625e7bf16e56fac0d2bf5fc0511a97b2f10dea764e95"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2212.05295",
    "kind": "arxiv",
    "version": 1
  }
}