Pith Number

pith:YBWDN2JM

pith:2022:YBWDN2JME7JHFUP3ABZW2D722L

not attested not anchored not stored refs pending

Is the star formation rate in $z\sim 6$ quasars overestimated?

Andrea Ferrara, Andrea Pallottini, Fabio Di Mascia, Fabio Vito, Milena Valentini, Simona Gallerani, Stefano Carniani

arxiv:2211.05790 v1 · 2022-11-10 · 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{YBWDN2JME7JHFUP3ABZW2D722L}

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	2026-07-05T05:20:55.927582Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c06c36e92c27d272d1fb00736d0ffad2d3d7a067a315bbe02ef9d65a29fdeaef

Aliases

arxiv: 2211.05790 · arxiv_version: 2211.05790v1 · doi: 10.48550/arxiv.2211.05790 · pith_short_12: YBWDN2JME7JH · pith_short_16: YBWDN2JME7JHFUP3 · pith_short_8: YBWDN2JM

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/YBWDN2JME7JHFUP3ABZW2D722L \
  | 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: c06c36e92c27d272d1fb00736d0ffad2d3d7a067a315bbe02ef9d65a29fdeaef

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85453a53df0d2a9250d5619aeafd57e249cae41988c8d52d2c5fc0f93e1bd066",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-11-10T19:00:01Z",
    "title_canon_sha256": "b7db7684184564f3d5a08922d17662aee28e59d8113ea58f8232e98735a8985b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.05790",
    "kind": "arxiv",
    "version": 1
  }
}