Pith Number

pith:TTCTKPID

pith:2025:TTCTKPIDJSCAAMQG73W4IOLM3H

not attested not anchored not stored refs pending

An Extremely-High Velocity Outflow in SMSS J2157-3602, the most luminous quasar in the first 1.3 Gyr

Amy Rankine, Andrea Melandri, Christian Wolf, Christopher A. Onken, Cristian Vignali, Enrico Piconcelli, Flaminia Sarnari, Giorgio Lanzuisi, Giustina Vietri, Ivano Saccheo, Liliana Flores, Luca Zappacosta, Paola Rodriguez Hidalgo, Patrick B. Hall, Toru Misawa, Tzitzi Romo Perez, Valentina D'Odorico, Vincenzo Testa, Wendy F. Garcia Naranjo

arxiv:2509.08891 v1 · 2025-09-10 · 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{TTCTKPIDJSCAAMQG73W4IOLM3H}

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	2026-07-05T12:08:38.685117Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9cc5353d034c84003206feedc4396cd9c65776b183558713f075c17a689ee950

Aliases

arxiv: 2509.08891 · arxiv_version: 2509.08891v1 · doi: 10.48550/arxiv.2509.08891 · pith_short_12: TTCTKPIDJSCA · pith_short_16: TTCTKPIDJSCAAMQG · pith_short_8: TTCTKPID

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/TTCTKPIDJSCAAMQG73W4IOLM3H \
  | 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: 9cc5353d034c84003206feedc4396cd9c65776b183558713f075c17a689ee950

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f8faa7acf1488182ca279439d9bc33f080dede80686392cdb057719f2fdd129a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2025-09-10T18:00:06Z",
    "title_canon_sha256": "ab5742c82f438262d1ff2fd5252fe2a3d53dc0a670d0e92ff3cc90a895904438"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.08891",
    "kind": "arxiv",
    "version": 1
  }
}