Pith Number

pith:BLLGFMYH

pith:2021:BLLGFMYHW5PT2JUCSBAKJ7BSAC

not attested not anchored not stored refs pending

Galaxy and Mass Assembly (GAMA): The Weak Environmental Dependence of Quasar Activity at 0.1<z<0.35

Alister W. Graham, Andrew M. Hopkins Angel R. L\'opez-S\'anchez, Angus H. Wright, Benne W. Holwerda, Clare F. Wethers, Edward Taylor, Ivan K. Baldry, Jari Kotilainen, Jonathan Loveday, Kevin A. Pimbblet, Lingyu Wang, Nischal Acharya, Roberto De Propris, Sarah Brough, Simon P. Driver, Steven Phillipps

arxiv:2112.03285 v1 · 2021-12-06 · 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{BLLGFMYHW5PT2JUCSBAKJ7BSAC}

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	2026-07-05T04:13:47.176669Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0ad662b307b75f3d26829040a4fc3200a2c985c050521a68a1118bfddf8ea6cc

Aliases

arxiv: 2112.03285 · arxiv_version: 2112.03285v1 · doi: 10.48550/arxiv.2112.03285 · pith_short_12: BLLGFMYHW5PT · pith_short_16: BLLGFMYHW5PT2JUC · pith_short_8: BLLGFMYH

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/BLLGFMYHW5PT2JUCSBAKJ7BSAC \
  | 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: 0ad662b307b75f3d26829040a4fc3200a2c985c050521a68a1118bfddf8ea6cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9fb3e05c0608bb92f2973a1829c3eff9faa2157ba5efc0fbf2959b387436fbf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "astro-ph.GA",
    "submitted_at": "2021-12-06T19:00:01Z",
    "title_canon_sha256": "56f131a5f4d25d015ffa3eba54a68b13fbeb4e0a08f12ac8401146bf05e589a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.03285",
    "kind": "arxiv",
    "version": 1
  }
}