Pith Number

pith:ECSSNPHE

pith:2020:ECSSNPHEC4DXMJZSLOVAFAIXLM

not attested not anchored not stored refs pending

The WISSH QSOs project IX. Cold gas content and environment of luminous QSOs at z~2.4-4.7

A. Bongiorno, A. Marconi, A. Travascio, C. Circosta, C. Feruglio, C. Pappalardo, E. Piconcelli, E. Traianou, F. Duras, F. Fiore, G. Bruni, G. Cresci, G. Venturi, G. Vietri, I. Gavignaud, L. Zappacosta, M. Bischetti, M. Brusa, M. Mingozzi, M. P\`erez-Torres, M. Perna, R. Herrero, R. Maiolino, S. Carniani, V. D'Odorico, V. Testa

arxiv:2009.01112 v3 · 2020-09-02 · 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{ECSSNPHEC4DXMJZSLOVAFAIXLM}

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	2026-07-05T02:03:42.512489Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20a526bce417077627325baa0281175b0409d4c93fa2fe0e05f91e11b446f99f

Aliases

arxiv: 2009.01112 · arxiv_version: 2009.01112v3 · doi: 10.48550/arxiv.2009.01112 · pith_short_12: ECSSNPHEC4DX · pith_short_16: ECSSNPHEC4DXMJZS · pith_short_8: ECSSNPHE

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/ECSSNPHEC4DXMJZSLOVAFAIXLM \
  | 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: 20a526bce417077627325baa0281175b0409d4c93fa2fe0e05f91e11b446f99f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5565c06770424e9416cc219b742b72471ab9f3e2e244fd11e94f1711d7215da4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2020-09-02T14:41:57Z",
    "title_canon_sha256": "12aa0233a3ab2f7bee21f8fca59443c92d2d89bf04c53572cdb35f12a2cd82a2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.01112",
    "kind": "arxiv",
    "version": 3
  }
}