Pith Number

pith:Q6SPTX6O

pith:2022:Q6SPTX6OXZKFCTXZJLOEJ3TUCM

not attested not anchored not stored refs pending

Insufficient Gas Accretion Caused the Decline in Cosmic Star-Formation Activity 8 Billion Years Ago

Aditya Chowdhury, Jayaram N. Chengalur, Nissim Kanekar

arxiv:2205.15334 v3 · 2022-05-30 · astro-ph.GA · 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{Q6SPTX6OXZKFCTXZJLOEJ3TUCM}

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	2026-07-05T04:47:28.605059Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

87a4f9dfcebe54514ef94adc44ee7413216ec0dc61d2129ba53998f74eed9c51

Aliases

arxiv: 2205.15334 · arxiv_version: 2205.15334v3 · doi: 10.48550/arxiv.2205.15334 · pith_short_12: Q6SPTX6OXZKF · pith_short_16: Q6SPTX6OXZKFCTXZ · pith_short_8: Q6SPTX6O

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/Q6SPTX6OXZKFCTXZJLOEJ3TUCM \
  | 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: 87a4f9dfcebe54514ef94adc44ee7413216ec0dc61d2129ba53998f74eed9c51

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4140c2e5fc64996a8830039ce3e533d5ba782ba4c6aed4e50d87f3ddede29337",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-30T18:00:02Z",
    "title_canon_sha256": "965eac35a8fd19d76db43a5504f79306b9dd2ca3cd4c1398b6d7dae48b7cf316"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.15334",
    "kind": "arxiv",
    "version": 3
  }
}