Pith Number

pith:42VWKWTY

pith:2015:42VWKWTYVAFJJZXFEEUNVOYYKS

not attested not anchored not stored refs pending

Evidence for feedback in action from the molecular gas content in the z~1.6 outflowing QSO XID2028

A. Bongiorno, A. Marconi, A. Merloni, C. Feruglio, D. Lutz, D. Rosario, E. Daddi, E. Lusso, E. Piconcelli, F. Fiore, F. Vito, G. Cresci, G. Lanzuisi, M. Brusa, M. Perna, M. T. Sargent, P. Santini, R. Maiolino, V. Mainieri

arxiv:1503.01783 v1 · 2015-03-05 · 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{42VWKWTYVAFJJZXFEEUNVOYYKS}

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	2026-05-18T02:03:34.028571Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e6ab655a78a80a94e6e52128dabb1854af0f3c36adcfad650aebb7574372f15c

Aliases

arxiv: 1503.01783 · arxiv_version: 1503.01783v1 · doi: 10.48550/arxiv.1503.01783 · pith_short_12: 42VWKWTYVAFJ · pith_short_16: 42VWKWTYVAFJJZXF · pith_short_8: 42VWKWTY

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/42VWKWTYVAFJJZXFEEUNVOYYKS \
  | 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: e6ab655a78a80a94e6e52128dabb1854af0f3c36adcfad650aebb7574372f15c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f89ae26273fc5bc4c2a2b0c391a3c8bb08e482a633c101e937b28d1a0cde389",
    "cross_cats_sorted": [
      "astro-ph.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2015-03-05T21:00:20Z",
    "title_canon_sha256": "50d95e24188d484e50e1e3f76cc8d505033d17fd989f0efb7cad58e30b17fb26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.01783",
    "kind": "arxiv",
    "version": 1
  }
}