Pith Number

pith:I5U2VRHC

pith:2024:I5U2VRHCKGJJGFSQDIZYKVIQLJ

not attested not anchored not stored refs pending

Absence of radio-bright dominance in a near-infrared selected sample of red quasars

G Ma, J.-K. Krogager, J. P. U. Fynbo, K. E. Heintz, L. Christensen, P. M{\o}ller, S. J. Geier, S. Vejlgaard

arxiv:2401.02783 v1 · 2024-01-05 · 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{I5U2VRHCKGJJGFSQDIZYKVIQLJ}

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	2026-07-05T07:30:31.060668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a

Aliases

arxiv: 2401.02783 · arxiv_version: 2401.02783v1 · doi: 10.48550/arxiv.2401.02783 · pith_short_12: I5U2VRHCKGJJ · pith_short_16: I5U2VRHCKGJJGFSQ · pith_short_8: I5U2VRHC

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/I5U2VRHCKGJJGFSQDIZYKVIQLJ \
  | 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: 4769aac4e251929316501a338555105a7b3b98be224519a5ea3455be8c18bd3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d6fa70b6cf910efb50c9e149532a7994bc2e549bedd058887d86148eb6449ea",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2024-01-05T12:43:26Z",
    "title_canon_sha256": "8377d10e6ccd457b2a3bae44a1be4e271d47e1de0d4e5102815a82348e583670"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2401.02783",
    "kind": "arxiv",
    "version": 1
  }
}