Pith Number

pith:FEBCFTUI

pith:2022:FEBCFTUIYTYXXY3A7OSLNH6EFA

not attested not anchored not stored refs pending

Feedback effect on the observable properties of $z>6$ AGN

Andrea Ferrara, Fabio Di Mascia, Fabio Vito, Roberto Gilli, Simona Gallerani, Stefano Carniani, Tommaso Zana

arxiv:2205.09181 v1 · 2022-05-18 · 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{FEBCFTUIYTYXXY3A7OSLNH6EFA}

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	2026-07-05T04:28:00.410643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

290222ce88c4f17be360fba4b69fc428252091d892cce3e07f9f8aae2bce9a23

Aliases

arxiv: 2205.09181 · arxiv_version: 2205.09181v1 · doi: 10.48550/arxiv.2205.09181 · pith_short_12: FEBCFTUIYTYX · pith_short_16: FEBCFTUIYTYXXY3A · pith_short_8: FEBCFTUI

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/FEBCFTUIYTYXXY3A7OSLNH6EFA \
  | 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: 290222ce88c4f17be360fba4b69fc428252091d892cce3e07f9f8aae2bce9a23

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "455d4ddadf6245c5c6d727a294f4ce632c412913aca0a2ee6296edf9a19644ea",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2022-05-18T19:02:14Z",
    "title_canon_sha256": "df8977e626410c5727378e953bd6c9fa8f9bc4916eb202603e1ca87fdc93e58d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.09181",
    "kind": "arxiv",
    "version": 1
  }
}